E5577Cs-321 unlock

[sky_finder]

Dear Bro

E5577Cs-321 need to unlock with 0 Count

selection :
manufacturer - Huawei modems
model - Auto detect (recommended)

Found Applications port COM35

Found modem : E5577Cs-321
Model : Huawei AuthVer 4 modem (New)
IMEI : 864695032625560
Serial NR. : D2LDU17704001099
Firmware : 21.329.63.00.397
Dashboard version : WEBUI_17.100.20.00.397_MRE5
Web UI version : WEBUI_17.100.20.00.397_MRE5
SIM Lock status : Locked (Card Lock)
Wrong codes entered : 10 (unlock attempts left : 0)




Unlocking, please wait ...

AT command error

Error code 37

unlock failed !



how to unlock this bro Pls advice me

Tx

[sky_finder]

waiting for reply bro

tx

[sky_finder]

Is it possible to downgrade the firmware via testpoint

If yes which version need to flash for unlock

Tx

[sky_finder]

@Valdemaras (2017-12-21, 10:29 AM)

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


Is it updated one or You have any solution Bro

Tx

[Vincentas]

Dear Bro

E5577Cs-321 need to unlock with 0 Count

selection :
manufacturer - Huawei modems
model - Auto detect (recommended)

Found Applications port COM35

Found modem : E5577Cs-321
Model : Huawei AuthVer 4 modem (New)
IMEI : 864695032625560
Serial NR. : D2LDU17704001099
Firmware : 21.329.63.00.397
Dashboard version : WEBUI_17.100.20.00.397_MRE5
Web UI version : WEBUI_17.100.20.00.397_MRE5
SIM Lock status : Locked (Card Lock)
Wrong codes entered : 10 (unlock attempts left : 0)




Unlocking, please wait ...

AT command error

Error code 37

unlock failed !



how to unlock this bro Pls advice me

Tx

Unfortunately, this version not supported.