Access the Web Management Interface:
Locate the Firmware Update Section:
Select and Upload the Firmware:
Wait for the Update to Complete:
Device Reboot:
Verify the Firmware Version:
Early firmware versions often suffered from dropping back to 4G unnecessarily. Newer updates improve the modem’s ability to aggregate 5G NSA (Non-Standalone) bands (e.g., n78 with B1/B3/B7/B20). Users frequently report that after updating, the router holds a 5G signal more aggressively. zte mc801a firmware update
Before updating, note your existing firmware version. Here’s how:
We have to address the elephant in the room. ZTE MC801A routers are often locked to specific carriers (Custom firmware). If you flash a generic "Global B12" onto a Three UK router, you risk losing your carrier's band profile (e.g., Band 32 1500MHz supplementary downlink). Access the Web Management Interface:
To avoid bricking: