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setting interface as below:
Note:
It is recommended to use the factory default developer options
setting, or some changes may affect the functions of the Tablet PC.
6.4.4 About Tablet
Tap
to check System updates, Status and Legal
information as below:
7. Firmware Update
Note:
Wrong operation may make the device fail to work, please
read the following preparations carefully before updating:
1) Please backup your files in the device, the firmware upgrade will
cause the data to be wiped.
2) Please don’t disconnect the USB cable during upgrading.
3) You are recommended to close other software on the computer,
especially anti-virus software, to avoid interference from them.
4) Please check if the USB port and the USB cable work well before
operation.
5) “Found new hardware”
should pop up in the bottom right
hand corner of the computer when connecting the device with the
computer, if it cannot be upgraded, please contact the local
