E5575s-210

[LEENO]

possible to unlock it?

DC - Unlocker 2 Client 1.00.1403

Detecting modem :

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

Found Applications port COM89

Found modem : E5575s-210
Model : Huawei AuthVer 4 modem (New)
IMEI : 866887021739589
Serial NR. : E9RDW15C26012932
Firmware : 21.328.01.00.00
Dashboard version : WEBUI_17.100.06.07.12
Web UI version : WEBUI_17.100.06.07.12_MRE5
SIM Lock status : Locked (Card Lock)
Wrong codes entered : 8 (unlock attempts left : 2)

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[LEENO]

Credits left : 21
Support till : 05/03/2016

Activated features:
DC-Unlocker
Huawei CDMA modem unlocker
ZTE Icera UNLIMITED direct unlock
Software debugger

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DC - Unlocker 2 Client 1.00.1429

Detecting modem :

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

Found Applications port COM89

Found modem : E5575s-210
Model : Huawei AuthVer 4 modem (New)
IMEI : 866887021xxxxx
Serial NR. : E9RDW15C260xxxxx
Firmware : 21.326.01.02.12
Dashboard version : WEBUI_17.100.06.16.12_MRE5
Web UI version : WEBUI_17.100.06.16.12_MRE5
SIM Lock status : Locked (Card Lock)
Wrong codes entered : 8 (unlock attempts left : 2)

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Unlocking, please wait ...

AT command error

Error code 37

unlock failed !

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[Valdemaras]

Not possible to unlock any 2x.3xx. firmware.

[LEENO]

possible to downgrade it?

[Valdemaras]

Very unlikely that it is downgradable to generic firmware version.