How to Easily Master Format OPPO A31 with Safety Hard Reset?

hard reset oppo a31

Tips and tricks to fix OPPO A31 (CPH2015) problems. This is Android Pie 9.0 smartphone which release in the market at 2020. We still does not have any information about get the upgrade Android firmware version for OPPO A31. The front body have full screen with 6.5 inches LCD size and use HD resolution at 720 x 1600 … Read more