To join a Group:
Open the Group you’d like to join.
Tap Join Group.
Note: If the Group is Private or Closed, your request must be approved by the Group Admin before you can join.
To leave a Group:
Open the Group you want to leave.
Tap Settings in the top-right corner.
Tap the three dots (⋯).
Select Leave Group.
Important: If you are the only Group Admin, you must assign another member as an Admin before leaving. You may also choose to delete the Group instead.
Once you leave a Group, you will no longer receive notifications or have access to its content unless you rejoin.