Follow the procedures below to learn how to leave a WhatsApp channel on Android and iPhone. a) Open the WhatsApp app and go to the Updates tab b) Find the channel you want to leave and open it c) Inside the channel, click the channel name at the top d) Then, click Unfollow channel e) You should then receive a confirmation prompt asking if you're sure you want to leave the channel - click Unfollow channel again to proceed.