Yet apart from restoring with iTunes, there is another useful method that doesn't require iTunes and most importantly, it won't cause any data loss.
Way 1: Restore iPhone from DFU Mode with TunesKit (No Data Loss) Way 2: Restore iPhone from DFU Mode with iTunes (Data Loss) More FAQs Related to DFU Mode Bottom line Way 1: Restore iPhone from DFU Mode with TunesKit (No Data Loss)