If the OTA service is unavailable, you may be able to find offline update packages on the ZTE Support Download page.

button. If a new version is found, follow the prompts to download and install it. How to Update via the Touch Screen

Patches fix vulnerabilities that protect your connected devices from cyber threats.

Devices locked to or branded by specific carriers (e.g., Telstra, Optus, or STC) may only receive updates when a SIM card from that specific provider is inserted. Batch Releases:

Think of firmware as the operating system for your router's hardware. It's the low-level software that controls how all the components in your ZTE MU5001 work together. An update can bring several key improvements: