Look for the string (e.g., BD_ZTE_MC801AV1.0.0B07 ). Optimizing Your MC801A (Regardless of Firmware)
While 2021 saw progress, it was also when users first began reporting problems. While many issues became more widespread with later updates like B12, the seeds were sown in this period, and users frequently referenced 2021 as a reference point for performance and problems.
The safest method to get 2021 or later firmware is through the built-in interface: Connect your computer to the router via Ethernet. zte mc801a firmware 2021
| Issue | Appeared in version | Workaround (2021-era) | |-------|--------------------|------------------------| | 5G disconnects / modem crash | B09, B12 | Downgrade to B06 (if available) or add external fan. | | Web UI slow / unresponsive | B12, B13 | Use incognito mode; clear cache; reboot daily. | | High latency on 5G NSA | B12 | Disable “IPv6” in WAN settings (temporary fix). | | Cannot change APN | B13 | Factory reset → reconfigure manually. |
Early firmware often dropped connections when switching between 5G Non-Standalone (NSA) and Standalone (SA) networks. The 2021 updates smoothed out this transition. Look for the string (e
2021 was the year ZTE addressed these complaints head-on.
Handshake issues with older Wi-Fi 5 devices and stability on the 5GHz band were resolved. 2. Core Firmware Variants: Provider vs. Global The safest method to get 2021 or later
This is usually a sign of power instability or overheating. Ensure you are using the original power adapter. Try placing the router in a well-ventilated area.