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V2s-Plus and V2s
NO Recovery Menu 设备关机，长按电源键+音量减键，进入关机工模，选择清除emmc
Make sure the device is turned off.
Make sure no debug cable is attached.
Long press the power button and volume button “-”
Release when you hear the drop sound
The recovery mode is enabled.
Select clear emmc.
K2MINI
Make sure the device is turned off.
Make sure no debug cable is attached.
Long press the power button and volume button “-”
Release when you hear the drop sound
The recovery mode is enabled.
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