STK-L21 FLASH AFTER DEAD

STK-L21 AFTER FLASH DLOAD FILE PHONE DEAD. NO COME ANY MODE OR LOGO. CONNECT ONLY COM1.0 WHEN I SHORT TP POINT. HOW CAN RECOVER THIS PHONE? ANY EXPERT TELL ME PLZ.

from MartviewForum https://ift.tt/2RcNnmZ
via IFTTT