You'd want to leave a group chat on your iPhone for many reasons. Maybe someone in the chat is annoying you. Perhaps it's a chat that no longer applies to your life, such as a work chat for an old ...

most group chat members are no longer notified when you leave the group. 1. In WhatsApp, tap the Chats tab at the bottom of the page. 2. In the Chats list, tap the group you want to leave.