dead phone. Pls help!!!

Jan 11, 2019
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i have a clone model of note 9. It was having a reboot looping problem. So i thought to flash a new firmware of note 8 clone. And i flashed my phone and it was successfull. But now its not working,no display, nothing. its dead. Then i again tried to flash the same rom firmware and tried format+download in sp flash toll. But nothing is working....pls help