PLease Help my Brick Tablet

I should have Phaece P7. And yesterday somehow i screw it up. Hence got into the android.process.acore error loop.

I have no choice but to try flash with HXG X5A. By holding the menu + power. using FDWN.

Now my tablet boot up with the i love you screen and upon bootin up android.. i was stuck in the screen calibration page.. I try to boot up in filmware restore mod. But most combination (button holding) do not work.. I open up the tablet and there is no USB booting switch..

Please help.. ​

 

TO Xa,

Im unable to contact the supplier as it was a gift from a friend.. any gurus pls help..