please help with CL75

[helperer]

i got a phone cl 75 which is dead when i try to flash it but i got this error message i use d com & infinity cable i check conector still no luck
what can i do


COM1 [Serial0] selected
Device: Siemens-CL75
Checking data, wait...
Action: Flash write
"smart write" enabled
Write: Firmware
Write: Map/Customization
Write: Language Pack
Skip: Eeprom
Boot...
Press and HOLD Power button !
Connecting, wait...
error: boot failed:
Release Power button !
error: wrong answer, errorcode#37
Boot Fail
error:
Finished
Remove/Install battery now !
Time used: 4 sec

[InfinitySupport]

Hello,

1. "Press and HOLD Power button !"
2. check phone hardware, it may be hardware damage, not only software fault