How to factory reset OPPO A1? How to wipe all data in OPPO A1? How to bypass screen lock in OPPO A1? How to restore defaults in OPPO A1?
The following tutorial shows all method of master reset OPPO A1. Check out how to accomplish hard reset by hardware keys and Android 7.1 Nougat settings. As a result your OPPO A1 will be as new and your MediaTek Helio P23 (MT6763T) core will run faster.
Oppo F7 HARD RESET NEW METHOD 2018 . - video