Zte Mu5001 Firmware -

Only if you have the older firmware file and your bootloader is unlocked. Most commercial MU5001 units have locked bootloaders that prevent downgrading for security reasons.

To check for the latest official version, you can visit the ZTE Support Download Center . MU5001 - ZTE Zte Mu5001 Firmware

Firmware is the permanent, low-level software programmed into the router’s read-only memory. It controls everything from 5G modem behavior and Wi-Fi radio parameters to battery management and the web interface. Think of it as the operating system for your ZTE MU5001. Only if you have the older firmware file