Notes:
Officially, no. It's not a supported feature and is highly risky. Any attempt to manually flash an older version can easily result in a bricked device and voids your warranty.
Log in using your admin password (found on the sticker at the bottom of the device if unchanged).
If your router is stuck on an old version (like B04) and won't auto-update, or if you need a specific carrier version (e.g., Elisa, Three, or generic), you may need a PC-based tool. Three Community ZTE Software Upgrade Tool zte mc801a firmware update
Try the troubleshooting steps mentioned above: ensure a stable connection, try a wired connection to the router, or perform a factory reset before attempting the update again.
The easiest way to update is through the router's built-in management page. : Connect to your router via Wi-Fi or Ethernet and enter 192.168.0.1 in your browser. Use the default credentials (usually ) found on the device's sticker. Navigate to Updates Advanced Settings Alternatively, check under Device Settings Update Management depending on your firmware version. Check for New Version : Click the button. If an update is found, select Wait for Restart : The device will download and install the update. Do power off the device during this 3-5 minute process. Three Community Manual Firmware Flashing (Advanced)
Connect your computer or smartphone to the ZTE MC801A via an Ethernet cable or Wi-Fi. Step 2: Access the WebUI Notes: Officially, no
Sometimes, your service provider might lag behind in pushing "Over-the-Air" (OTA) updates. If you’ve found a specific firmware file on a trusted tech forum or the official ZTE support site, you can use the feature to upload the file manually from your computer. Final Thoughts A firmware update is the easiest way to give your ZTE MC801A
: This Windows-based utility requires connecting the router via USB Type-C and a network cable simultaneously. Firmware Files
Open a web browser and type in the address bar to open the admin page. Log in using your admin password (found on
Click on the button to see if a new version is available.
Newer versions, such as the widely discussed B15 update , have been reported to improve carrier aggregation (e.g., combining 4G Band 1 and Band 3) for faster speeds.
This is a critical and frequently misunderstood aspect of the ZTE MC801A. Your router may be "branded" by your mobile network operator.
Ensure you have a stable internet connection. If updating via Wi-Fi, switch to a wired Ethernet connection to prevent signal interruption during the download phase.
The recommended method for updating your ZTE MC801A is through its built-in web interface. The process is straightforward and should not change your existing network settings.