Procedure of Unlocking is simple and for all of these given below huawei model and have been tested successfully ...
Huawei E8372h-153
Huawei E8372h-608
Huawei E5573s-320
Huawei E5573s-606
Huawei E3372h
Huawei B310s-927
step1:- you downgrade firmware to version# 21.xxx.99.xx.xx
step2:- you use my new Huawei Unlock calculator from here https://youtu.be/q1QpgUpbSzM
step3:- you upgrade firmware to anyone that is suitable to your modem .. and thats it , now can use any non carrier sim in your modem de
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