Need help reviving e398

[koplo]

My friend phone can turn on,i try to BL screen but it can't,i try to Forceboot but still same result n i try to TP but when i conect the batrey in comptr say usb not recognised what have i do?i try to re insttal driver n clean all of cnector but still nothing result.

[apai]

 :'(  :'( :'(

[jzzz]

You got a blank neptune.
You must do the testpoint.
And use my reviving tool.
Make sure that you really understand to do testpoint.