Failed to unlock E8372h-153 Error code 37 !

[afirozali]

I need to unlock Huawei Modem E8372h-153, but i get error code 37 !

Found modem : E8372
Model : Huawei AuthVer 4 modem (New)
IMEI : 866457020815861
Serial NR. : B7Z7S15724000591
Firmware : 21.321.01.00.306
Dashboard version : WEBUI_17.100.15.06.306_RE5
Web UI version : WEBUI_17.100.15.06.306_RE5
SIM Lock status : Locked (Card Lock)
Wrong codes entered : 0 (unlock attempts left : 10)

================================================== =================

Unlocking, please wait ...

AT command error

Error code 37

unlock failed !

[Valdemaras]

if you get error 37 then it means version of your modem not supported for unlock

If firmware version begins with 2x.3xx.<...> unlock not possible, no way to flash it either, no solution, no workaround.