Apple sign in problem
My iCloud n iMessage not working
iPhone 6s Plus, iOS 15
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What happens when you try to sign in? Error message(s)?
For iCloud.
Sign in - If you can't connect or sign in to iCloud. *
For Messages
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. *
If you can't send or receive messages on your iPhone, iPad, or iPod touch *
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 restart.
Restart your iPhone, iPad, or iPod touch *
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 the 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. *