Allwinner Restoring brick Solution :
If All winner tablet after flash not detect to PC / Dead after flash . You can solve it easily with PhoenixCard mostly you shell success with PhoenixCard.
In case you PhoenixCard not working on your tablet then you can follow below method !!
DEAD Recover Done With PhoenixCard
Restoring Unbrick Solution :
Open the cover and get to the board
Short and hold pins (29 and 30)
Press the button “POWER” ~ 10 sec. After 10 seconds. release the button, remove the jumper
Connect to PC and tablet USB-cable then you will see In Device “USB Device (VID_1f3a_PID_efe8)”
Now Flash [IMG]http://forum.**********.com/ubb/wink.gif[/IMG]
If not connect Then you can flash to 29 and 30 Pin shorting condition But after detect you must disconnect both pin
Note – This Solution not work in each model