B311-221 Unlock Firmware Direct

This method involves replacing the ISP-branded software with standard Huawei firmware. This is an advanced procedure.

The is a popular 4G/LTE CAT6 router. “Unlocking the firmware” typically refers to one of three things: B311-221 Unlock Firmware

: Connect the router to your PC. You may need to use a "Boot Shot" method (shorting specific pins on the motherboard) to make the PC recognize it as a COM port. This method involves replacing the ISP-branded software with

This removes SIM network lock without changing the whole firmware. B311-221 Unlock Firmware

Take a SIM from a carrier different than the one you bought the router from. Insert it and power on the device.