diff --git a/BeWoPlanerChat/bewoplaner-chat-android/app/google-services.json b/BeWoPlanerChat/bewoplaner-chat-android/app/google-services.json
index 25b857b..69d940d 100644
--- a/BeWoPlanerChat/bewoplaner-chat-android/app/google-services.json
+++ b/BeWoPlanerChat/bewoplaner-chat-android/app/google-services.json
@@ -1,43 +1,35 @@
 {
   "project_info": {
-    "project_number": "1021949586645",
-    "firebase_url": "https://bewoplaner-chat-android.firebaseio.com",
-    "project_id": "bewoplaner-chat-android",
-    "storage_bucket": "bewoplaner-chat-android.appspot.com"
+    "project_number": "975648037658",
+    "firebase_url": "https://api-6660704302827515492-860965.firebaseio.com",
+    "project_id": "api-6660704302827515492-860965",
+    "storage_bucket": "api-6660704302827515492-860965.appspot.com"
   },
   "client": [
     {
       "client_info": {
-        "mobilesdk_app_id": "1:1021949586645:android:113c5b5fc97fb0bb",
+        "mobilesdk_app_id": "1:975648037658:android:220d52417bd0e0d6",
         "android_client_info": {
           "package_name": "de.beyondsoft.ownchat"
         }
       },
       "oauth_client": [
         {
-          "client_id": "1021949586645-vnidi5tjof2kgsal6qgqrbokel0q0hvi.apps.googleusercontent.com",
+          "client_id": "975648037658-os4qq20iddsfjbvi5i23vgq9thnfub8u.apps.googleusercontent.com",
           "client_type": 1,
           "android_info": {
             "package_name": "de.beyondsoft.ownchat",
-            "certificate_hash": "349feb470feaf535c1074c91721714ced3d81f0c"
+            "certificate_hash": "7fbe0ab908219a12378a92e2c4e78a1f62734798"
           }
         },
         {
-          "client_id": "1021949586645-ttle1pv465pp7gdigqh93futan4cmn8p.apps.googleusercontent.com",
-          "client_type": 1,
-          "android_info": {
-            "package_name": "de.beyondsoft.ownchat",
-            "certificate_hash": "458abe7a8928c32f3ad3fbcc575373b613070aae"
-          }
-        },
-        {
-          "client_id": "1021949586645-lu3hc8hjsul10dhpj22o3k6vfcg6ol9v.apps.googleusercontent.com",
+          "client_id": "975648037658-snv7hat9a1r8oqrheu1r14hbnsjk3h4j.apps.googleusercontent.com",
           "client_type": 3
         }
       ],
       "api_key": [
         {
-          "current_key": "AIzaSyAh9aJq_Hxjp9z9_Q3h5qNUg-l_Z4Grr98"
+          "current_key": "AIzaSyDa3E_8SjE2NyDWXmAp1jI2E2KH9xhrWfc"
         }
       ],
       "services": {
@@ -48,7 +40,14 @@
           "status": 2,
           "other_platform_oauth_client": [
             {
-              "client_id": "1021949586645-lu3hc8hjsul10dhpj22o3k6vfcg6ol9v.apps.googleusercontent.com",
+              "client_id": "975648037658-u22ch31ebdpcaa1f96ihv1ne386n8bf7.apps.googleusercontent.com",
+              "client_type": 2,
+              "ios_info": {
+                "bundle_id": "de.beyondsoft.ownchat"
+              }
+            },
+            {
+              "client_id": "975648037658-snv7hat9a1r8oqrheu1r14hbnsjk3h4j.apps.googleusercontent.com",
               "client_type": 3
             }
           ]
diff --git a/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/java/de/beyondsoft/ownchat/model/Group.java b/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/java/de/beyondsoft/ownchat/model/Group.java
index e0ae89e..cbbba70 100644
--- a/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/java/de/beyondsoft/ownchat/model/Group.java
+++ b/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/java/de/beyondsoft/ownchat/model/Group.java
@@ -143,6 +143,7 @@ public class Group implements Parcelable {
                 return users.get(i).isEmployee;
             }
         }
+
         return false;
     }
 }
diff --git a/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/java/de/beyondsoft/ownchat/page/chat/SingleChatActivity.java b/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/java/de/beyondsoft/ownchat/page/chat/SingleChatActivity.java
index 0eb5ee9..67f710d 100644
--- a/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/java/de/beyondsoft/ownchat/page/chat/SingleChatActivity.java
+++ b/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/java/de/beyondsoft/ownchat/page/chat/SingleChatActivity.java
@@ -2,6 +2,7 @@ package de.beyondsoft.ownchat.page.chat;
 
 import com.bumptech.glide.Glide;
 
+import de.beyondsoft.ownchat.R;
 import de.beyondsoft.ownchat.model.Group;
 import de.beyondsoft.ownchat.model.Message;
 import de.beyondsoft.ownchat.utils.Constants;
@@ -104,10 +105,10 @@ public class SingleChatActivity extends BaseChatActivity {
     protected void setToolbar() {
         mSingleChatTitleTextView.setVisibility(View.VISIBLE);
         mSingleChatTitleTextView.setText(mGroup.name);
-        mSingleChatTitleTextView.setTextColor(ContextCompat.getColor(this, mGroup.isEmployee(mGroup.users) ? de.beyondsoft.ownchat.R.color.colorHelpGroup : de.beyondsoft.ownchat.R.color.colorBlack));
+        mSingleChatTitleTextView.setTextColor(ContextCompat.getColor(this, mGroup.onlyEmployees ? de.beyondsoft.ownchat.R.color.colorBlack : de.beyondsoft.ownchat.R.color.colorHelpGroup));
 
         if (TextUtils.isEmpty(mGroup.avatar)) {
-            mChatImageView.setImageResource(de.beyondsoft.ownchat.R.drawable.avatar);
+            mChatImageView.setImageResource(mGroup.onlyEmployees ? de.beyondsoft.ownchat.R.drawable.avatar : R.drawable.avatar_help);
         } else {
             Glide.with(this).load(mGroup.avatar)
                     .placeholder(de.beyondsoft.ownchat.R.drawable.avatar)
diff --git a/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/java/de/beyondsoft/ownchat/page/contacts/ContactsAdapter.java b/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/java/de/beyondsoft/ownchat/page/contacts/ContactsAdapter.java
index 09de973..89e8589 100644
--- a/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/java/de/beyondsoft/ownchat/page/contacts/ContactsAdapter.java
+++ b/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/java/de/beyondsoft/ownchat/page/contacts/ContactsAdapter.java
@@ -52,9 +52,11 @@ class ContactsAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
 
     void setGroups(ArrayList<Group> groups) {
         mGroups.clear();
+
         if (groups != null) {
             mGroups.addAll(groups);
         }
+
         notifyDataSetChanged();
     }
 
@@ -63,13 +65,13 @@ class ContactsAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
         if (mGroups.get(position).users.size() > 2) {
             return GROUP_TYPE;
         }
+
         return CONTACT_TYPE;
     }
 
     @Override
     public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
-        View view = LayoutInflater.from(parent.getContext()).inflate(R.layout.item_contact, parent,
-                false);
+        View view = LayoutInflater.from(parent.getContext()).inflate(R.layout.item_contact, parent, false);
         return new ContactViewHolder(view);
     }
 
@@ -82,19 +84,21 @@ class ContactsAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
         int type = getItemViewType(position);
         if (type == GROUP_TYPE) {
             viewHolder.name.setText(group.name);
-            viewHolder.name.setTextColor(ContextCompat.getColor(viewHolder.name.getContext(),
-                    group.isHelpGroup() ? R.color.colorHelpGroup : R.color.colorTeamGroup));
-            viewHolder.avatar.setImageResource(group.isHelpGroup() ?
-                    R.drawable.avatar_help_group : R.drawable.avatar_team_group);
+            viewHolder.name.setTextColor(ContextCompat.getColor(viewHolder.name.getContext(), group.isHelpGroup() ? R.color.colorHelpGroup : R.color.colorTeamGroup));
+            viewHolder.avatar.setImageResource(group.isHelpGroup() ? R.drawable.avatar_help_group : R.drawable.avatar_team_group);
             return;
+        } else if(!group.onlyEmployees) {
+            viewHolder.avatar.setImageResource(R.drawable.avatar_help);
         }
+
         if(type == CONTACT_TYPE) {
-            viewHolder.name.setTextColor(ContextCompat.getColor(viewHolder.name.getContext(),
-                    group.isEmployee(mGroups.get(position).users) ? R.color.colorBlack : R.color.colorHelpGroup));
+            viewHolder.name.setTextColor(ContextCompat.getColor(viewHolder.name.getContext(), group.isEmployee(mGroups.get(position).users) ? R.color.colorBlack : R.color.colorHelpGroup));
         }
+
         viewHolder.name.setText(group.name);
+
         Glide.with(viewHolder.avatar.getContext()).load(group.avatar)
-                .placeholder(R.drawable.avatar_list)
+                .placeholder(group.onlyEmployees ? R.drawable.avatar_list : R.drawable.avatar_help)
                 .dontAnimate()
                 .diskCacheStrategy(DiskCacheStrategy.ALL)
                 .into(viewHolder.avatar);
@@ -107,7 +111,9 @@ class ContactsAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
             viewHolder.messageStatus.setImageResource(0);
             return;
         }
+
         boolean isMessageSentByUser = group.lastMessage.senderId == mUserId;
+
         if (!group.isRead() && !isMessageSentByUser) {
             viewHolder.lastMessage.setTypeface(null, Typeface.BOLD);
             viewHolder.lastMessage.setTextColor(ContextCompat.getColor(viewHolder.lastMessage.getContext(), R.color.colorDefaultBright));
@@ -115,13 +121,17 @@ class ContactsAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
             viewHolder.lastMessage.setTypeface(null);
             viewHolder.lastMessage.setTextColor(ContextCompat.getColor(viewHolder.lastMessage.getContext(), R.color.colorSubtitle));
         }
+
         viewHolder.lastMessage.setText(TextUtils.isEmpty(group.lastMessage.message) ? group.lastMessage.originalFilename : group.lastMessage.message);
         viewHolder.messageTimestamp.setText(DateUtils.toHourOrDateFormatHour(group.lastMessage.createdAt));
+
         if (!isMessageSentByUser) {
             viewHolder.messageStatus.setImageResource(0);
             return;
         }
+
         int resourceId = group.lastMessage.getStatusResourceId();
+
         if (resourceId != 0) {
             viewHolder.messageStatusPending.setVisibility(resourceId == -1 ? View.VISIBLE : View.GONE);
             if (resourceId != -1) {
diff --git a/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/java/de/beyondsoft/ownchat/page/login/LoginActivity.java b/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/java/de/beyondsoft/ownchat/page/login/LoginActivity.java
index 5fc433a..bcfd111 100644
--- a/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/java/de/beyondsoft/ownchat/page/login/LoginActivity.java
+++ b/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/java/de/beyondsoft/ownchat/page/login/LoginActivity.java
@@ -88,7 +88,7 @@ public class LoginActivity extends AppCompatActivity implements LoginView {
             showError(R.string.login_again);
         }
 
-        mCallback.logout(Settings.Secure.getString(this.getContentResolver(), Settings.Secure.ANDROID_ID), true, null);
+        mCallback.logout(Settings.Secure.getString(this.getContentResolver(), Settings.Secure.ANDROID_ID), false, null);
     }
 
     @OnEditorAction(R.id.login_password)
diff --git a/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/java/de/beyondsoft/ownchat/page/login/LoginPresenter.java b/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/java/de/beyondsoft/ownchat/page/login/LoginPresenter.java
index cb89da2..83df25e 100644
--- a/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/java/de/beyondsoft/ownchat/page/login/LoginPresenter.java
+++ b/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/java/de/beyondsoft/ownchat/page/login/LoginPresenter.java
@@ -201,7 +201,7 @@ public class LoginPresenter extends MVPAbstractPresenter<LoginView> implements L
         switch(ErrorUtils.getErrorType(throwable)) {
             case DATA_INPUT:
                 if (errorThrowable.getError().loginFailed != null && errorThrowable.getError().loginFailed.size() > 0) {
-                    getView().showError(errorThrowable.getError().loginFailed.get(0));
+                    getView().showError(R.string.error_invalid_login_credentials);
                     return;
                 }
             case WRONG_CHATCODE:
@@ -362,7 +362,7 @@ public class LoginPresenter extends MVPAbstractPresenter<LoginView> implements L
             return;
         }
 
-        deleteData(true);
+        deleteData(false);
         getView().customerIdIsNotValid(mStatus);
     }
     //endregion
@@ -477,7 +477,7 @@ public class LoginPresenter extends MVPAbstractPresenter<LoginView> implements L
 
         String chatCode = mChatCodePreference.get();
         String customerId = mAccountNumberPreference.get();
-        String userId = (mIsEmployee.get() ? "E" : "C") + mUserIdReference.get().toString();
+        String userId = mUserIdReference.get().toString();
 
         Subscription subscription = mLoginService.verifyChatCode(customerId, userId, chatCode)
                 .compose(RxUtils.provideDefaultTransformer())
diff --git a/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/java/de/beyondsoft/ownchat/page/main/MainActivity.java b/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/java/de/beyondsoft/ownchat/page/main/MainActivity.java
index dcfe431..900ded8 100644
--- a/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/java/de/beyondsoft/ownchat/page/main/MainActivity.java
+++ b/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/java/de/beyondsoft/ownchat/page/main/MainActivity.java
@@ -16,7 +16,7 @@ import de.beyondsoft.ownchat.page.login.LoginActivity;
 import de.beyondsoft.ownchat.page.login.LoginPresenter;
 import de.beyondsoft.ownchat.page.profile.ProfileFragment;
 import de.beyondsoft.ownchat.utils.Constants;
-import de.beyondsoft.ownchat.utils.DialogHandler;
+import de.beyondsoft.ownchat.utils.DialogHandler;/**/
 import de.beyondsoft.ownchat.utils.SystemUtils;
 import de.beyondsoft.ownchat.utils.Utils;
 
diff --git a/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-hdpi/avatar.png b/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-hdpi/avatar.png
index cde4724..940c73d 100644
Binary files a/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-hdpi/avatar.png and b/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-hdpi/avatar.png differ
diff --git a/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-hdpi/avatar_help.png b/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-hdpi/avatar_help.png
new file mode 100644
index 0000000..5dc70f6
Binary files /dev/null and b/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-hdpi/avatar_help.png differ
diff --git a/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-hdpi/avatar_help_group.png b/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-hdpi/avatar_help_group.png
index 4645db3..977033b 100644
Binary files a/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-hdpi/avatar_help_group.png and b/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-hdpi/avatar_help_group.png differ
diff --git a/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-hdpi/avatar_list.png b/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-hdpi/avatar_list.png
index c011e5b..940c73d 100644
Binary files a/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-hdpi/avatar_list.png and b/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-hdpi/avatar_list.png differ
diff --git a/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-hdpi/avatar_team_group.png b/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-hdpi/avatar_team_group.png
index 1ef0177..b8c1fb9 100644
Binary files a/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-hdpi/avatar_team_group.png and b/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-hdpi/avatar_team_group.png differ
diff --git a/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-hdpi/chat_left.9.png b/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-hdpi/chat_left.9.png
deleted file mode 100644
index 6790c49..0000000
Binary files a/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-hdpi/chat_left.9.png and /dev/null differ
diff --git a/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-hdpi/chat_left_v2.9.png b/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-hdpi/chat_left_v2.9.png
new file mode 100644
index 0000000..d9dbecc
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diff --git a/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-hdpi/chat_right.9.png b/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-hdpi/chat_right.9.png
deleted file mode 100644
index 2b3fef1..0000000
Binary files a/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-hdpi/chat_right.9.png and /dev/null differ
diff --git a/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-hdpi/chat_right_v2.9.png b/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-hdpi/chat_right_v2.9.png
new file mode 100644
index 0000000..e184a7d
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diff --git a/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-mdpi/avatar.png b/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-mdpi/avatar.png
index 3329daf..65de2a5 100644
Binary files a/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-mdpi/avatar.png and b/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-mdpi/avatar.png differ
diff --git a/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-mdpi/avatar_help.png b/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-mdpi/avatar_help.png
new file mode 100644
index 0000000..8e27cfa
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diff --git a/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-mdpi/avatar_help_group.png b/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-mdpi/avatar_help_group.png
index ccb5d7a..744599a 100644
Binary files a/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-mdpi/avatar_help_group.png and b/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-mdpi/avatar_help_group.png differ
diff --git a/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-mdpi/avatar_list.png b/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-mdpi/avatar_list.png
index b5bd30e..65de2a5 100644
Binary files a/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-mdpi/avatar_list.png and b/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-mdpi/avatar_list.png differ
diff --git a/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-mdpi/avatar_team_group.png b/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-mdpi/avatar_team_group.png
index caf5dd2..b9946ad 100644
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diff --git a/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-mdpi/chat_left.9.png b/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-mdpi/chat_left.9.png
deleted file mode 100644
index b98a86c..0000000
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diff --git a/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-mdpi/chat_left_v2.9.png b/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-mdpi/chat_left_v2.9.png
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index 0000000..65ac92d
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diff --git a/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-mdpi/chat_right.9.png b/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-mdpi/chat_right.9.png
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index 60b0f18..0000000
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diff --git a/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-mdpi/chat_right_v2.9.png b/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-mdpi/chat_right_v2.9.png
new file mode 100644
index 0000000..bae924d
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diff --git a/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-xhdpi/avatar.png b/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-xhdpi/avatar.png
index db9f52c..a528dd6 100644
Binary files a/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-xhdpi/avatar.png and b/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-xhdpi/avatar.png differ
diff --git a/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-xhdpi/avatar_help.png b/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-xhdpi/avatar_help.png
new file mode 100644
index 0000000..a8d6dd4
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diff --git a/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-xhdpi/avatar_help_group.png b/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-xhdpi/avatar_help_group.png
index d34e402..73eb848 100644
Binary files a/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-xhdpi/avatar_help_group.png and b/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-xhdpi/avatar_help_group.png differ
diff --git a/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-xhdpi/avatar_list.png b/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-xhdpi/avatar_list.png
index c12dc68..a528dd6 100644
Binary files a/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-xhdpi/avatar_list.png and b/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-xhdpi/avatar_list.png differ
diff --git a/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-xhdpi/avatar_team_group.png b/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-xhdpi/avatar_team_group.png
index ac28906..6af3522 100644
Binary files a/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-xhdpi/avatar_team_group.png and b/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-xhdpi/avatar_team_group.png differ
diff --git a/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-xhdpi/chat_left.9.png b/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-xhdpi/chat_left.9.png
deleted file mode 100644
index 1ee1022..0000000
Binary files a/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-xhdpi/chat_left.9.png and /dev/null differ
diff --git a/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-xhdpi/chat_left_v2.9.png b/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-xhdpi/chat_left_v2.9.png
new file mode 100644
index 0000000..49229f0
Binary files /dev/null and b/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-xhdpi/chat_left_v2.9.png differ
diff --git a/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-xhdpi/chat_right.9.png b/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-xhdpi/chat_right.9.png
deleted file mode 100644
index 2a40c98..0000000
Binary files a/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-xhdpi/chat_right.9.png and /dev/null differ
diff --git a/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-xhdpi/chat_right_v2.9.png b/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-xhdpi/chat_right_v2.9.png
new file mode 100644
index 0000000..7f1d178
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diff --git a/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-xxhdpi/avatar.png b/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-xxhdpi/avatar.png
index 321ef5a..31eb736 100644
Binary files a/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-xxhdpi/avatar.png and b/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-xxhdpi/avatar.png differ
diff --git a/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-xxhdpi/avatar_help.png b/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-xxhdpi/avatar_help.png
new file mode 100644
index 0000000..682b7d9
Binary files /dev/null and b/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-xxhdpi/avatar_help.png differ
diff --git a/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-xxhdpi/avatar_help_group.png b/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-xxhdpi/avatar_help_group.png
index a52507b..f5acb3b 100644
Binary files a/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-xxhdpi/avatar_help_group.png and b/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-xxhdpi/avatar_help_group.png differ
diff --git a/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-xxhdpi/avatar_list.png b/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-xxhdpi/avatar_list.png
index 5d28370..31eb736 100644
Binary files a/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-xxhdpi/avatar_list.png and b/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-xxhdpi/avatar_list.png differ
diff --git a/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-xxhdpi/avatar_team_group.png b/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-xxhdpi/avatar_team_group.png
index 723077d..63bae96 100644
Binary files a/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-xxhdpi/avatar_team_group.png and b/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-xxhdpi/avatar_team_group.png differ
diff --git a/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-xxhdpi/chat_left.9.png b/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-xxhdpi/chat_left.9.png
deleted file mode 100644
index 7cd7380..0000000
Binary files a/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-xxhdpi/chat_left.9.png and /dev/null differ
diff --git a/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-xxhdpi/chat_left_v2.9.png b/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-xxhdpi/chat_left_v2.9.png
new file mode 100644
index 0000000..e522bd8
Binary files /dev/null and b/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-xxhdpi/chat_left_v2.9.png differ
diff --git a/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-xxhdpi/chat_right.9.png b/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-xxhdpi/chat_right.9.png
deleted file mode 100644
index 73b7e14..0000000
Binary files a/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-xxhdpi/chat_right.9.png and /dev/null differ
diff --git a/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-xxhdpi/chat_right_v2.9.png b/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-xxhdpi/chat_right_v2.9.png
new file mode 100644
index 0000000..d21bf02
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diff --git a/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-xxxhdpi/avatar.png b/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-xxxhdpi/avatar.png
index c6f0a45..4cdb723 100644
Binary files a/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-xxxhdpi/avatar.png and b/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-xxxhdpi/avatar.png differ
diff --git a/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-xxxhdpi/avatar_help.png b/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-xxxhdpi/avatar_help.png
new file mode 100644
index 0000000..47176d0
Binary files /dev/null and b/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-xxxhdpi/avatar_help.png differ
diff --git a/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-xxxhdpi/avatar_help_group.png b/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-xxxhdpi/avatar_help_group.png
index 9f1a985..e213434 100644
Binary files a/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-xxxhdpi/avatar_help_group.png and b/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-xxxhdpi/avatar_help_group.png differ
diff --git a/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-xxxhdpi/avatar_list.png b/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-xxxhdpi/avatar_list.png
index 0308f31..4cdb723 100644
Binary files a/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-xxxhdpi/avatar_list.png and b/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-xxxhdpi/avatar_list.png differ
diff --git a/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-xxxhdpi/avatar_team_group.png b/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-xxxhdpi/avatar_team_group.png
index f548f12..b264a9b 100644
Binary files a/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-xxxhdpi/avatar_team_group.png and b/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-xxxhdpi/avatar_team_group.png differ
diff --git a/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-xxxhdpi/chat_left.9.png b/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-xxxhdpi/chat_left.9.png
deleted file mode 100644
index 7402089..0000000
Binary files a/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-xxxhdpi/chat_left.9.png and /dev/null differ
diff --git a/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-xxxhdpi/chat_left_v2.9.png b/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-xxxhdpi/chat_left_v2.9.png
new file mode 100644
index 0000000..30793c6
Binary files /dev/null and b/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-xxxhdpi/chat_left_v2.9.png differ
diff --git a/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-xxxhdpi/chat_right.9.png b/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-xxxhdpi/chat_right.9.png
deleted file mode 100644
index 4e895d5..0000000
Binary files a/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-xxxhdpi/chat_right.9.png and /dev/null differ
diff --git a/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-xxxhdpi/chat_right_v2.9.png b/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-xxxhdpi/chat_right_v2.9.png
new file mode 100644
index 0000000..5475f8c
Binary files /dev/null and b/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/drawable-xxxhdpi/chat_right_v2.9.png differ
diff --git a/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/layout/activity_login.xml b/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/layout/activity_login.xml
index 5794330..9e1f773 100644
--- a/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/layout/activity_login.xml
+++ b/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/layout/activity_login.xml
@@ -19,12 +19,12 @@
         app:layout_behavior="de.beyondsoft.ownchat.utils.ui.LayoutBehavior">
 
         <EditText
-            android:id="@+id/login_chat_code"
+            android:id="@+id/login_account"
             style="@style/AppTheme.EditText"
             android:layout_width="match_parent"
             android:background="@drawable/shape_round_top_corners"
-            android:hint="@string/login_chat_code_hint"
-            android:inputType="text" />
+            android:hint="@string/login_account_number_hint"
+            android:inputType="number" />
 
         <View
             android:id="@+id/login_divider1"
@@ -33,12 +33,12 @@
             android:background="@color/colorDivider" />
 
         <EditText
-            android:id="@+id/login_account"
+            android:id="@+id/login_chat_code"
             style="@style/AppTheme.EditText"
             android:layout_width="match_parent"
             android:background="@color/colorWhite"
-            android:hint="@string/login_account_number_hint"
-            android:inputType="number" />
+            android:hint="@string/login_chat_code_hint"
+            android:inputType="text" />
 
         <View
             android:id="@+id/login_divider2"
diff --git a/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/layout/fragment_profile.xml b/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/layout/fragment_profile.xml
index 4457dc1..3e84342 100644
--- a/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/layout/fragment_profile.xml
+++ b/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/layout/fragment_profile.xml
@@ -64,6 +64,7 @@
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:layout_marginBottom="@dimen/activity_horizontal_margin"
-        android:text="@string/profile_save_button" />
+        android:text="@string/profile_save_button"
+        android:visibility="invisible"/>
 
 </LinearLayout>
\ No newline at end of file
diff --git a/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/layout/item_group_chat_left.xml b/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/layout/item_group_chat_left.xml
index 2597f24..36fdc84 100644
--- a/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/layout/item_group_chat_left.xml
+++ b/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/layout/item_group_chat_left.xml
@@ -22,6 +22,7 @@
 
     <RelativeLayout
         style="@style/LeftChatItemRelativeLayout"
+        android:padding="7dp"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_marginLeft="5dp"
@@ -74,8 +75,9 @@
             android:layout_alignParentLeft="true"
             android:layout_alignParentStart="true"
             android:visibility="gone"
-            custom:donut_finished_color="@color/colorWhite"
-            custom:donut_text_color="@color/colorBlack" />
+            custom:donut_finished_color="@color/colorDefault"
+            custom:donut_text_color="@color/colorBlack"
+            tools:visibility="visible"/>
 
         <hani.momanii.supernova_emoji_library.Helper.EmojiconTextView
             android:id="@+id/chat_item_message"
diff --git a/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/layout/item_group_chat_right.xml b/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/layout/item_group_chat_right.xml
index 94e1702..ea4b2d8 100644
--- a/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/layout/item_group_chat_right.xml
+++ b/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/layout/item_group_chat_right.xml
@@ -25,6 +25,7 @@
 
     <RelativeLayout
         style="@style/RightChatItemRelativeLayout"
+        android:padding="7dp"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_marginLeft="5dp"
diff --git a/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/layout/item_single_chat_left.xml b/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/layout/item_single_chat_left.xml
index 5fa877f..540b1b6 100644
--- a/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/layout/item_single_chat_left.xml
+++ b/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/layout/item_single_chat_left.xml
@@ -12,6 +12,7 @@
 
     <RelativeLayout
         style="@style/LeftChatItemRelativeLayout"
+        android:padding="7dp"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content">
 
@@ -51,8 +52,9 @@
             android:layout_below="@id/chat_item_time"
             android:layout_marginTop="4dp"
             android:visibility="gone"
-            custom:donut_finished_color="@color/colorWhite"
-            custom:donut_text_color="@color/colorBlack" />
+            custom:donut_finished_color="@color/colorDefault"
+            custom:donut_text_color="@color/colorBlack"
+            tools:visibility="visible"/>
 
         <hani.momanii.supernova_emoji_library.Helper.EmojiconTextView
             android:id="@+id/chat_item_message"
diff --git a/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/layout/item_single_chat_right.xml b/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/layout/item_single_chat_right.xml
index ea696dd..fb8b3e0 100644
--- a/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/layout/item_single_chat_right.xml
+++ b/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/layout/item_single_chat_right.xml
@@ -18,7 +18,8 @@
     <RelativeLayout
         style="@style/RightChatItemRelativeLayout"
         android:layout_width="wrap_content"
-        android:layout_height="wrap_content">
+        android:layout_height="wrap_content"
+        android:padding="7dp">
 
         <TextView
             android:id="@+id/chat_item_sending_failed"
diff --git a/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/values/colors.xml b/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/values/colors.xml
index 26c2ecb..d4fb135 100644
--- a/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/values/colors.xml
+++ b/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/values/colors.xml
@@ -14,8 +14,8 @@
     <color name="colorManatee">#A0A0A0</color>
     <color name="colorHarvard">#D0021B</color>
     <color name="colorImpressum">#9B9B9B</color>
-    <color name="colorHelpGroup">#00a1d1</color>
-    <color name="colorTeamGroup">#AAB100</color>
+    <color name="colorHelpGroup">#FF3B7799</color>
+    <color name="colorTeamGroup">#FF45993B</color>
     <color name="colorSubtitle">#9B9B9B</color>
     <color name="colorTimestamp">#636363</color>
     <color name="colorLeftChat">#515151</color>
diff --git a/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/values/strings.xml b/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/values/strings.xml
index 81a34a1..3184dab 100644
--- a/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/values/strings.xml
+++ b/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/values/strings.xml
@@ -64,6 +64,7 @@
     <string name="error_deactivated_chat_code">Chat-Code ist deaktiviert</string>
     <string name="error_chat_code_too_short">Chat-Code hat eine falsche Länge</string>
     <string name="error_token_validation_failed">Bitte stellen Sie sicher, dass Sie mit dem Internet verbunden sind.</string>
+    <string name="error_invalid_login_credentials">Ungültige Anmeldedaten</string>
 
     <!-- Permissions -->
     <string name="permission_grant">Erlauben</string>
diff --git a/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/values/styles.xml b/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/values/styles.xml
index 1ee3ba2..e14681d 100644
--- a/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/values/styles.xml
+++ b/BeWoPlanerChat/bewoplaner-chat-android/app/src/main/res/values/styles.xml
@@ -102,11 +102,11 @@
     </style>
 
     <style name="RightChatItemRelativeLayout">
-        <item name="android:background">@drawable/chat_right</item>
+        <item name="android:background">@drawable/chat_right_v2</item>
     </style>
 
     <style name="LeftChatItemRelativeLayout">
-        <item name="android:background">@drawable/chat_left</item>
+        <item name="android:background">@drawable/chat_left_v2</item>
     </style>
 
 </resources>