Updating your ZTE MC801A firmware is key for maintaining a stable 5G connection, though recent updates have had mixed results for some users. How to Update
Automatic Updates: By default, the MC801A is set to check for and install updates automatically during off-peak hours (usually at night). Manual Check:
Log into your router's admin panel by entering its IP address (typically 192.168.0.1) into a web browser. Navigate to Advanced Settings > Update.
Click Check for Updates to see if a newer version is available from your provider or the official ZTE Support portal. zte mc801a firmware update
Mobile App: You can also manage updates and network status using the ZTELink App on your smartphone. Recent Firmware Versions & Issues
Be aware of these specific versions reported by users in the community:
ZTE MC801A B12 update : Bridge mode broken - Three Community Updating your ZTE MC801A firmware is key for
Enthusiasts sometimes share leaked ZTE MC801A firmware builds (e.g., versions with unlocked band locking or Telnet enabled). Approach with caution:
Before searching for a file, you need to know what you are running. Here is how to check:
192.168.0.1 (or 192.168.1.1 depending on your carrier).admin / admin, or admin / password – check the sticker on the back of the router).Common version formats:
BD_MC801AV1.0.0B12 (B12 is a stable build)MC801A_Three_UK_V1.0.0B20BD_MC801AUV1.0.0B09If your version starts with B04, B05, or B08 – you need to update immediately.
Despite best efforts, updates can fail. Here are real-world solutions:
| Problem | Likely Cause | Fix |
|--------|--------------|-----|
| “File not compatible” | Wrong region firmware | Download correct carrier version; check model number inside battery compartment (if any). |
| Update stuck at 98% | Corrupted flash partition | Hard reset: Press reset pinhole 30 sec, then retry update from fail-safe mode (IP 192.168.1.1). |
| Router boot loops after update | Power brownout during flash | Use emergency recovery: Hold reset while powering on until LED flashes red/green; upload firmware via TFTP. |
| No 5G after update | Carrier profile missing | Manually set APN (e.g., three.co.uk, telstra.internet). Reboot twice. |
| Wi-Fi 6 disabled | Region code reset | Change region in Wi-Fi settings (if available) or factory reset. | Connect to your MC801A Wi-Fi (or via Ethernet)