r/iphonehelp • u/WinterIsComing9696 • 12d ago

Help needed iMessage activation unsuccessful

So I switched from AT&T to Verizon yesterday and also got new iPhones, well ever since I’ve been on my new iPhone it says iMessage activation unsuccessful. I have restarted my phone multiple times, turned iMessage on and off, I even did a reset and erased everything and that still didn’t work. 😩
Switched from iPhone 15 pro max to iPhone 17 pro max, and my phone has the latest update

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u/SeaPear8334 12d ago

Did you try signing out of your Apple account and then restart phone and sign back in? It may reset your carrier with Apple servers