Modem not unlocked e5577s

[ALLNEWGSM]

I lose 1 credit to unlock modem e5577s not unlocked

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

Selected Applications port COM647

Found modem : E5577s-932
Model : Huawei AuthVer 4 modem (New)
IMEI : 866852020942519
Serial NR. : X8BBY15604004453
Firmware : 21.200.09.00.76
Dashboard version : WEBUI_17.100.09.01.76_MRE5
Web UI version : WEBUI_17.100.09.01.76_MRE5
SIM Lock status : Locked (Card Lock)
Wrong codes entered : 10 (unlock attempts left : 0)

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

Unlocking, please wait ...

Waiting modem/phone to be ready ...
Modem successfully unlocked !

Credits left : 4

Pls any help to unlocked or refound if no solution

[ALLNEWGSM]

If i read modem without simcard i found unlocked but when i put sim always show invalid sim and in soft read locked

[Valdemaras]

Credit added back, your device version not supported.