Remarks: Please ensure that the data upload is complete before double-clearing the device . After double-clearing, all programs will be cleared and need to be downloaded again.
Key definition in recovery mode
Volume plus key: move the cursor up
Volume down key: move the cursor down
Power button: OK
1. When the device is turned off, press the "Volume Up button" and "Power button" at the same time, release the "Power button" after the screen turns on, and keep the "Volume up button" until the machine enters Supported API:3
2. Enter this interface, release the "volume plus button", and then press the volume button " volume + volume - volume + volume - volume + volume + volume - volume - " to enter the recevery mode
3. Press the "volume down button" to move down to select "Wipe data/Factory reset", press the power button to confirm
4. Press the "volume down button" to move down to select "Yes", press the "power button" to confirm
5. After the device is cleared, "Data wipe complete" is displayed in the lower left corner, indicating that the data is cleared successfully
6. Press the "volume down button" to move down to select "Wipe cache partition", press the "power button" to confirm , the device will display "Wiping cache..." until the lower left corner displays "Cache wipe complete" to clear the data
7. After the data is cleared, move the " volume key" to select "reboot system now", press the "power button" to confirm, and the device will automatically restart
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