Generally, it is caused by the connection timeout or the sending timeout,
please check whether you have blocked the outgoing network traffic to
non-US regions like China. We recommend that you unblock and try to
register again.
Q10: FAILED TO TURN ON WHEN CHARGING
In the charging state, you need to first press the power button to light up
the screen(showing the charging status). Then press and hold the power
button for 4-5 seconds until the boot animation is shown on screen.
Q11: FAILED TO OPEN THE DIAGNOSTIC APP
The tablet has to connect to the network every 30 days, otherwise, the
Diagnostic app will be locked and disabled until the device is connected to
the network.
Q12: WHY IS MY DEVICE DRAINING BATTERY SO FAST
When the device is not in use temporarily, please exit the diagnostic
software and go to sleep mode after returning to the Android system
desktop.
When not in use for a long time, please keep about 30% of the power to
shut down.
Avoid over-charging or over-discharging is important, otherwise, the
battery capacity will be reduced and the battery life will be shortened
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