E5577 cant unlock

[reaz.com]

DC - Unlocker 2 Client 1.00.1428

Detecting modem :

selection :
manufacturer - Huawei modems
model - Huawei AuthVer 4 modem (New)

Selected Applications port COM25

Found modem : E5577s-932
Model : Huawei AuthVer 4 modem (New)
IMEI : 866852028161955
Serial NR. : X8BDU17804001825
Firmware : 21.327.62.00.1367
Dashboard version : WEBUI_17.100.18.00.1367_MRE5
Web UI version : WEBUI_17.100.18.00.1367_MRE5
SIM Lock status : Locked (Card Lock)
Wrong codes entered : 0 (unlock attempts left : 10)

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Unlocking, please wait ...

AT command error

Error code 37

unlock failed !

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how can fixed this ??

[Valdemaras]

There is no fix for it, it is not supported for unlock.