I have same problem with my device  customers service care tell me that the Mather board  must be changed to new one but ican't

Edited by ippokratis at 2018-07-17 15:39

There are users claim they where able to put m6 note in edl mode with deep flash cable.
There is a working method with shorting the test pins to put phone in edl mode but it requires opening phone
Above methods require flashing about boot.img and recovery with qfil . instructions are on 4pda
http://4pda.ru/forum/index.php?showtopic=843179&st=6400#entry69997627

http://4pda.ru/forum/index.php?showtopic=843179&st=5620#entry69341915


I suggest you join the telegram group havito said and ask for guidance

@flymeM6note