How to factory reset XIAOLAJIAO R15? How to wipe all data in XIAOLAJIAO R15? How to bypass screen lock in XIAOLAJIAO R15? How to restore defaults in XIAOLAJIAO R15?
The following tutorial shows all method of master reset XIAOLAJIAO R15. Check out how to accomplish hard reset by hardware keys and Android 8.1 Oreo settings. As a result your XIAOLAJIAO R15 will be as new and your MediaTek Helio P60 MT6771 core will run faster.
Hard Reset will erase all of your data
All described operations you are doing at your own risk.