1. Click the icon to open it

2.. The below screen window will appear.

3.To click “ Language” can choose the language of the firmware tool showing

4. Click “ ”, and then leading-in the file named “update.img”

5. Turn on the tablet PC and connected USB with computer ,connect charger with Tab and
long Press Volume Down (-) key and Reset at same time.
Then

“ ” will turn red.

 Then click Switch


Then the “ ” turn “ ” green . Then click Upgrade or Restore. Upgrade will begin .

Finally, It will show. success

PS： You need Select the right USB drive from the file