iMessage activation unsuccessful!
How do I fix this? I’ve tried switching it on and off and restarting my iPhone too, but it doesn’t work. I use an iPhone XS Max and I’m on iOS 15.
iPhone XS Max, iOS 15
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See the Apple Support article(s) below.
Messages - If you get an error when trying to activate iMessage or FaceTime. *
If you can’t turn on or sign in to iMessage or FaceTime. *
Some things you can try. Do you have access to another WiFi network where you can try? That has worked for several people.
Try a forced restart. See the section towards the end of the article.
Reset Device. -
If necessary
Hard reset. -
Do a backup and try a factory reset. Then restore from your backup.
Restore - If you see an error when you update or restore your iPhone, iPad, or iPod. *
Backup - Restore your device from an iCloud or iTunes backup. *