Im try for long time update my impression I10 and find this, im hope help other .
1)Extract the zip file.
2)Connect your tablet to your computer using the provided USB cable and turn on USB storage under the Android character.
3)On your computer select” open folder to view files“ in the pop up. If you do not see a pop up with this option go to “ My Computer “ and select “ Removable disk “
4)Click and drag over the “ sdfuse folder “ from inside the zip file to the tablets storage ( NOT THE ZIP IT”S SELF )
5)Then power off the unit
6) Press and hold the Volume - and power button until you see the bar begin to fill up (green) it will shut off halfway through at that point please hold volume + and power- bar will proceed to fill up then go to a black screen.
7)Power up unit- Your tablet is now updated.