Zain Saudi Huawei E5577S-932 (Firmware 21.327.62.00.1367) Unlocker

Refer https://routerunlock.com/unlock-zain-huawei-e5577s-932-firmware-21-327-62-00-1367/

It works with firmware 21.318.03.00.1367 and 21.327.62.00.1367 too.