This is the safest method. It involves obtaining an official NCK (Network Control Key) or unlock code by providing the device's unique 15-digit IMEI number. You enter this code into the router's web interface (typically 192.168.8.1 ) when prompted after inserting a non-supported SIM card.
If you want to use a cheaper local SIM, a different provider, or an international data plan, you will hit a wall. The router will display "Invalid SIM" or "SIM Lock Restriction." huawei b311s-220 unlock firmware
: Connect the modem via USB to a PC and use the tool to detect the IMEI and current firmware version. Calculation : Generate an unlock code based on the IMEI. This is the safest method
There are several reasons why users may want to unlock the Huawei B311s-220 firmware: If you want to use a cheaper local
If you are still using the stock carrier firmware, you are losing 50% of the router's potential. Here is what unlock firmware gives you.