How to factory reset OPPO R811 Real? How to wipe all data in OPPO R811 Real? How to bypass screen lock in OPPO R811 Real? How to restore defaults in OPPO R811 Real?
The following tutorial shows all method of master reset OPPO R811 Real. Check out how to accomplish hard reset by hardware keys and Android 4.0 Ice Cream Sandwich settings. As a result your OPPO R811 Real will be as new and your MediaTek MT6515 core will run faster.
Oppo Yoyo R2001 Hard Reset work 100% ( TESTED ) - video