B311-221 Unlock Firmware Repack Jun 2026
: If the firmware is updated but the SIM still doesn't work, you may need to manually configure the APN settings for your new carrier under Network Settings . If you'd like to proceed, let me know: What is your current firmware version ? Are you comfortable opening the router case? Which carrier is the device currently locked to? How do I update the firmware version of my HUAWEI router
: Find your 15-digit IMEI number on the device label or by logging into the Web Management Page (usually 192.168.8.1 ). B311-221 Unlock Firmware