Iphone 7 - support.apple.com/iphone/restore

Vova77 wrote:

Hello! My iphone 7 couldn`t update the IOS and said "support.apple.com/iphone/restore". I tried to do it by iTunes, but it results error (-1).

Follow all steps here iOS update and restore errors - Apple Support

My iphone software was updated to ios 14 and know my device is having a hard time booting up and coming on What to do in this situation