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11.3 System Upgrade
Note: Before upgrading, please confirm the battery level of your tablet.
You must have more than 30% battery charge to execute an upgrade or
factory settings restoration. Also ensure you backup your important data,
such as application procedures, emails, etc.
upgrade steps:
Insert the SD card with update zip package into device or put this package
in the root directory of the device.)
1 . C l i c k volume up key, then press power key to enter into recovery mode,
as Picture 11.1:
11.1
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