You can't leave a group text on Android, but you can mute or delete it — here's how

You can't leave a group text on your Android phone, but you can still mute or delete the thread in your Messages app.

How to remove yourself from a group text or mute the ones you can't leave

Unless everyone is using iMessage, there's no way to remove yourself from a group text — you'll need to mute or block it.
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The Right Thing: Think twice before sending that group text

Are you obligated to let others know when you decide to leave a chain of group text messages? I haven’t counted them personally, but various sources estimate that as many as 23 billion text messages ...