stuck in boot mode and error occures when trying to update from iTunes?
I tried to restart by pushing and releasing volume up button then same with volume down, then press and hold right side button until apple appears and then it goes into restore mode. so, I follow instructions to update and restore and it tells me cannot update you must restore, so I hit restore button and it goes thru iTunes and does its thing and then i get an error code "The iPhone could not be restored. An unknown error occurred (4013).
iPhone 7, iOS 15