How to factory reset OPPO A7x? How to wipe all data in OPPO A7x? How to bypass screen lock in OPPO A7x? How to restore defaults in OPPO A7x?
The following tutorial shows all method of master reset OPPO A7x. Check out how to accomplish hard reset by hardware keys and Android 8.1 Oreo settings. As a result your OPPO A7x will be as new and your MediaTek Helio P60 (MT6771) core will run faster.
Oppo F7 HARD RESET NEW METHOD 2018 . - video