When the battery level is low, the screen may flash
Solution : use it when the tablet is fully charged or restart the tablet
The system may crash or important files are deleted
Solution : flash the image again
It may be not compatible with SDHC with 80M/s
Solution : change a general SD card
It may be that you reset the tablet or the antivirus software deletes the drivers. It is recommended please do not install antivirus sorfware.
Solution: install the drivers again
It may be the problem of wifi driver
Solution : uninstall the wifi driver and reinstall it
The display is not changed into HDMI mode or the HD cable is defective
Solution : Change the HDMI or display
The driver is not compatible with the updation
Solution : install the driver or flash to the factory set
The important files in system may be lost
Solution : flash the factory set
The tablet connects keyboard and restart the tablet and choose "Yes" to click "enter"
The charger or the usb cable is defective . The battery level is low or the battery is protected
Solution : please get the tablet charged for an hour and press the power button for seconds
The system may crash or important files are deleted
Solution : flash the image
It may be the compatibility problem of the TF
Solution : Please take out the TF card and put it in again
It may be that you reset the tablet or the antivirus software deletes the drivers. It is recommended please do not install antivirus sorfware.
Solution : Install the drivers again