How to Fix Error 4000 "The iPhone could not be updated. An unknown error occurred (4000)."

Timestamps: 0:00 Intro and preview. 0:42 Fix 1 - Turn Auto-Lock Off. 0:59 Fix 2 - Turn Passcode Off. 1:31 Fix 3 - Update iPhone using ReiBoot Pro. #howtofixiphoneupdateerror4000 ----------Social Media------------- –––––––––––––––––––––––––––––– Creative Commons — Attribution 3.0 Unported — CC BY 3.0 ––––––––––––––––––––––––––––––