I can Sign In with Apple ID on iCloud.com but when try update or download new apps in store it ask for Apple ID and password, write exactly same but I just comes back to write Apple ID and password. iOS 15.2 12 pro max have restarted logged in and out of phone
iPhone 12 Pro Max, iOS 15
See the Apple Support article(s) below.
App Store, iTunes Store, or other Apple services - If you can't connect *
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 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. *
App store
