If you cannot update over-the-air (OTA), you can download "offline download packages" from the ZTE Global Support site to perform a manual installation.
Keeping your updated with the latest firmware is essential for ensuring peak performance, security, and compatibility with evolving 5G networks. Whether you are looking for improved stability or fixing specific connection issues, this guide covers the official methods to download and install updates. Official Download Channels for ZTE MU5001
For branded devices (e.g., from Telstra or Optus), check the specific carrier's support page, as they often release customized firmware versions tailored to their network. How to Update the ZTE MU5001 Firmware