What is the currently showing in your WebUI?

Connect the router to your PC using a high-quality USB-C to USB-A cable.

If your 2021 firmware locked you out of band selection, you do not always need to flash new firmware. A popular workaround involves injecting JavaScript into your browser's developer console while logged into the router dashboard. This unhides the hidden network settings menu, allowing you to lock bands manually without modifying the underlying firmware. 4. How to Update or Downgrade ZTE MC801A Firmware

The most reliable method for updating is through the router's web interface, often referred to as the Device Manager Website Access the Admin Page

Updating the firmware on your ZTE MC801A device is a straightforward process. Here's a step-by-step guide:

Using a firmware file meant for a different carrier or hardware revision ( HW Ver: V1.0 vs. V2.0 ) will result in a failed update.

On a clear night, Mara carried the device to a small bonfire near the old telecom yard. She placed it on a flat stone and told the gathered neighbors a story she’d written, stitched together from log fragments and imagined faces—of clinics warming monitors during a storm, of a woman named Lulu, of a child who used router lights as a nightlight. When she was done, she fed the fire a page from an old manual and watched the flames take it. The MC801A glowed cold and steady in the firelight, a relic that somehow resisted the tidy end of being recycled or forgotten.

The 2021 firmware significantly improved throughput, especially on congested towers, by optimizing how the MC801a handles carrier aggregation.

The safest method to get 2021 or later firmware is through the built-in interface: Connect your computer to the router via Ethernet.