Disconnect the power cable and remove the SIM card from your Huawei B311-221.
Perform a hard factory reset by pressing a pin into the "Reset" hole on the back of the device for 10 seconds.
Q: How do I find the unlock code for my Huawei Router B311-221? A: Contact your carrier or Huawei support to obtain the unlock code (if required).
The flashing tool cannot detect the router. Check your USB drivers in Windows Device Manager and ensure the device is correctly booted into download mode.
The Huawei Router B311-221 is a popular device used for providing internet connectivity. Unlocking its firmware can offer several benefits, including:
Flash the WebUI file using the same method. This step restores your browser admin dashboard. Step 5: Factory Reset the Router Unplug the power and USB cables. Assemble the router case. Insert your new, unapproved carrier SIM card. Power on the router.
Using the wrong firmware version (e.g., trying to flash a with B310 firmware) can permanently disable the device.
What is the current or carrier name listed on your router?