Zenfone Recovery Mode
Zenfone Android System Recovery Hold down the Volume up button, then press and hold the Power button for a few seconds, into Fastboot Mode mode. zenfone "RECOVERY", press the power button to confirm the choice by the volume keys. Restore Factory Setting: By the volume keys select "RECOVERY", then press the power button to confirm well see ASUS logo, such as 5 seconds (there will be a short black, normal) will see the android baby logo icon, as shown below: Operation android after see baby icon: Hold down the volume down button always hold, click volume up button then release (volume up button), [Volume Down key, always hold] Will see the following screen, namely Recovery recovery mode, the volume buttons to select "wipe data / factory reset" press the power button to confirm. Then automatically restore the factory settings, after the restoration is completed, automatic feed system, you will see the language settings screen. Source: http://tieba.baidu.com/...