unlock code for Huawei E3276s-150

[MarcuAdrianUser]

Hello,

Its my 1st post, hope you can help me with an unlock code for :
- Huawei E3276s-150.
- IMEI 863781015770408.
- S/N : A2FDWC9390200390.

Tnx in advance!

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i tried to free code generator / calculator, the 2 codes provided didnt work (unlock code or flash code).

[MarcuAdrianUser]

i also have other modems, can i get get help for them also? :
ZTE MF691, IMEI 352071041725982, S/N 321111481503.
ZTE MF691, IMEI 352071041722138, S/N 321111481118.
HUAWEI E3267S-150, IMEI 863781015770630, S/N A2FDWC9390200413.
HUAWEI E3276S-150, IMEI 863781015770663, S/N A2FDWC9390200416.