How to factory reset OPPO A7? How to wipe all data in OPPO A7? How to bypass screen lock in OPPO A7? How to restore defaults in OPPO A7?
The following tutorial shows all method of master reset OPPO A7. Check out how to accomplish hard reset by hardware keys and Android 8.1 Oreo settings. As a result your OPPO A7 will be as new and your Qualcomm Snapdragon 450 core will run faster.
Oppo A71 Hard Reset - video
Hard Reset will erase all of your data
All described operations you are doing at your own risk.