everybody please help

my k750 is dead!!!
i use farmanager and upgrade firmware to R1DB001_EU and its ok but then i copy FS_EMEA6 file to same place ( flash) and got this Erroe :
configuration error , please contact your network operator or service center.

then i flash with R1DB001_ch but same problem and then i flash it again with R1DB001_EU but i check second choice (raw) ...!!! and now my phon wont power!!! its dead!!! i try to flash again but farmanager cant read my phone...!! i check the battery on other phone it is full!! is ther any way to solve this problem!
:( :( :( :((