Huawei B311221 Firmware — |top| Download Link

If you're having trouble finding the firmware on the Huawei website, you can try searching on other reputable sources:

Connect your computer to the router via Wi-Fi or Ethernet cable. huawei b311221 firmware download link

If the power cut out during an update and the router no longer boots, there is no easy software fix. The device will likely require hardware repair (serial cable flashing) or replacement. If you're having trouble finding the firmware on