How to factory reset OPPO R9S? How to wipe all data in OPPO R9S? How to bypass screen lock in OPPO R9S? How to restore defaults in OPPO R9S?
The following tutorial shows all method of master reset OPPO R9S. Check out how to accomplish hard reset by hardware keys and Android 6.0 Marshmallow settings. As a result your OPPO R9S will be as new and your Qualcomm Snapdragon 625 MSM8953 core will run faster.
Hard Reset will erase all of your data
All described operations you are doing at your own risk.