Does restoring to factory settings change firmware?
He is aware of the problems a lot of people have experienced with this firmware on a 3gs and has been attracted by the seller stating; +'the phone can be restored to __factory settings__ prior to sale which will downgrade the firmware to 3.1.3 as some people prefer this version'+
Does a restore to factory settings also wind-back the firmware without jailbreaking? I was under the impression that this was not possible.
Also as the phone is officially unlocked by the carrier 02 would a factory reset reverse the unlocking?
HP, Windows XP Pro