You can leave a group at all times. To do so please proceed as follows:
- Go to the main screen.
- Tap and hold the chat (bubble) until a context menu opens.
- Choose “Leave group” or “Leave sub-group”.
- Confirm with YES.
Alternative: Go to the group chat/sub-group and tap the name at the top. Scroll to the bottom where you have the possibility to leave the chat.
Note: You can also save/archive the chat history via the option “Save chat”. Afterwards you can delete the complete group, however, the chat history is still available via the menu option “Saved chats”.