Set up messages on iphone you can send text messages several different ways in the messages app There are plenty of possible fixes for this problem. Your imessage texts appear in blue bubbles
Over cellular service with sms, mms, or rcs messages, which appear in green bubbles Can't send a text to someone because your phone says imessage isn't enabled See set up cellular service
Learn how to use imessage on iphone without service or sim Whether you’re asking how do i enable imessage on my iphone 16, iphone 13, iphone 14, iphone 15, iphone 11, iphone 17, iphone 12, iphone 16 pro, or iphone 16 pro max, the steps are the same across all iphone models. You’ll learn how to activate imessage over wifi or data, what settings to check to ensure smooth delivery, and how to troubleshoot issues like messages not sending.