The new firmware may have reset your carrier aggregation profile or changed the default 5G mode from NSA to SA (Standalone), which might be weaker in your area. Solution:
This is the standard method for most users to check for and apply updates. Log in to the Admin Page zte mc801a firmware update
The MC801A runs hot. Newer firmware versions introduce better thermal throttling algorithms, preventing the router from shutting down during heavy 5G usage (e.g., 4K streaming or large downloads). The new firmware may have reset your carrier
The ZTE MC801A 5G router supports firmware updates through its web management interface or a dedicated PC-based tool. While many devices update automatically via Over-the-Air (OTA) pushes from service providers, you can manually trigger a check for new versions. Manual Update via Web Interface Manual Update via Web Interface | Problem |
| Problem | Likely fix | |---------|-------------| | “No update available” but you know one exists | SIM must be from original carrier; try factory reset | | Update fails at 99% | Browser cache – use incognito; or file corrupted | | Router doesn’t boot after update | Hard reset (pin hole 10s) → if fails, need USB recovery (rare) | | OTA never arrives | Manually download from carrier support portal (e.g., Optus, Telstra) |
Mistakes happen when users download the wrong firmware. To avoid bricking your device, follow these steps: