Try using EMMC TP, like I said in 2# post.. Download all required files, n follow my Pict...
1. Open EMMC Tool, click write, n select Full Boot file, then you'll see where to solder wire
2. After solder TP, connect adapter to rjp45in, then repairing will automatic running
3. Now, disconnect devices, assembly n flash it
Flashing firmware
N... All Done
Good Luck....