Ensure your router is plugged into a stable power source. A power cut during an update is fatal for the hardware.
You might need to re-enter your carrier's APN settings . Go to Settings > Dial-up > Profile Management . 🔒 A Note on Unlocking and Debranding huawei b612233 firmware updated
Log in to 192.168.8.1 . Go to Settings > System > Device Information to see your current firmware version. Ensure your router is plugged into a stable power source
Always use an Ethernet cable to connect your PC to the router during an update. Wi-Fi updates are prone to interference. huawei b612233 firmware updated
Do not skip these steps, as a failed update can "brick" your router (render it unusable).