: Some installers ask for a "Flash Code." This is different from the unlock code and is also generated using your IMEI through specialized firmware calculators. Complete the Update
You cannot use just any Huawei firmware; it must be compatible with the E8231s-1 hardware version. Using the wrong file will brick the device. Look for firmware versions typically labeled "Update_21.328.62.00.158" Huawei E8231s-1 Unlock Firmware-
: Some installers ask for a "Flash Code." This is different from the unlock code and is also generated using your IMEI through specialized firmware calculators. Complete the Update
You cannot use just any Huawei firmware; it must be compatible with the E8231s-1 hardware version. Using the wrong file will brick the device. Look for firmware versions typically labeled "Update_21.328.62.00.158"