Unhappy Galaxy S4 Clone (Taiwan) high spec on DEAD

Hi Guy,

I recently reflashing my Galaxy S4 Clone(Taiwan Version), and accidently make it wrong step during the flashing,.. I was click the format that I tought just normally format,.. I using the SP Flash Tool V3. and format it from PC. Now my device on dead,.. when I tried to turn it on,.. no signal power on,.. and just going black on the screen,.. look like it already broken. but when I connect it into PC the USB still detected but cannot access to the memory. Please Help. Previously it original installed with MT-6577 rom