E5372s-32 VIVA Unlock Possible?

[iphonefubiz]

Is there any possibilities unlocking this modem?

Found Applications port COM90

Found modem : E5372
Model : Huawei E5372 / MegaFon MR100-3
IMEI : 864578016236XXX
Serial NR. : N7GBY14A09012XXX
Firmware : 21.290.23.01.397
Dashboard version : 17.100.09.02.397
SIM Lock status : Locked (Card lock)
Wrong codes entered : 10 (unlock attempts left : 0)

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Unlocking, please wait ...

Diagnostic port not found !

Error code 91

unlock failed !

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6/2/2017 6:18:21 AM Starting to write device...
Validating file...
File to write: D:\My STUFF\DC-Unlocker\Bolt Unlocker\Huawei_E5372_Firmware_21.270.11.00.1151_B olt_Indonesia.dgtk
File version: 21.270.11.00.1151
Looking for attached port...
Device has signed firmware
The file has no signature
Error: signature verification NOT passed
6/2/2017 6:24:45 AM Writing device finished with ERROR

[Valdemaras]

With blocked counter not possible to unlock this one

[amrdidyo]

What about resolveing

[Valdemaras]

What about resolveing

No solution for it.