How to Easily Master Format OPPO A9 (A9x) with Safety Hard Reset?

hard reset oppo a9 / a9x

Tips and tricks to fix OPPO A9 problems. Another Helio P70 smartphone from Oppo, it is use Mediatek MT6771V Helio P70 processor which have maximum 2.0 Ghz Cortex A53 CPU when running for heavy applications. It is already have dedicated GPU graphic processor unit Mali-G72 MP3 for playing 3D HD games without problems. The LCD screen size is … Read more