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T-Series
T2s, T2s Lite, T2, T2 Lite:
Hold the three buttons at the same time; then after 7-10 seconds, you will see the picture below. When you see the picture, please release three buttons.
2. Then will go into Recovery Mode. See the picture below.
D2s-KDS
Make sure your device is off. You can open the cover from the back side, then you will see the reset button
hold power button and reset button the same time until you see the picture below. Then release the buttons.
After couple seconds, system will go to Recovery Menu (see the below picture); then select factory reset
after that, click OK to restart device.
V2s-Plus and V2s
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.