Tried to backup my iPhone and now it's stuck on the restore screen

You can’t backup if the phone is stuck on the restore screen. The message in the screen is telling you that you have to take action. You’re not going to be able to do anything until you deal with that.

If you see the Restore screen on your iPhone, iPad, or iPod touch - Apple Support

Kolinik13:

"Backup: I tried to backup my iphone it is stuck on the restore screen":

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Refer to this Site: Make a backup of your device. Try backing up using iCloud or your computer