How to enter recovery modeHow do you enter recovery mode on the Xperia Z3?
"How do I perform a factory reset on my Sony Xperia Z3?"に関する回答(1) Back up all data from the Z3. (2) From the Home screen, select the Applications button. (3) Select Settings. (4) Select 'Personal' and then tap Back up & reset. (5) Uncheck 'Automatic restore' check box. (6) Under 'personal data' select 'Factory data reset'. (7) Select 'Reset phone'. (8) If you have a lockscreen passcode, enter it now. (9) Select 'Erase everything' to confirm.
"Battery life is depleting quickly."に関する回答If the Z3 cannot hold a charge for very long, it may mean that the battery is becoming permanently depleted. If this is the case, the battery will need to be replaced. Follow the battery replacement guide for the Sony Xperia Z3 found here.