Depending on your firmware type, follow one of the two methods below to update your device.
If the online update isn't working, you can try to find regional-specific firmware files directly from ZTE's official support portals: zte mf79u firmware link better
Finding official firmware directly from ZTE can be challenging, as public download links for mobile hotspot firmware are not typically hosted on their primary support website. However, there are several reliable sources for finding the appropriate files. Depending on your firmware type, follow one of
: Specific versions are often tailored to local network providers. Ukraine Version LLCUAM79UV1.0.0B01 (Approx. 203 MB). Russia Version MF79RUV1.0.0B02 (Approx. 41 MB). Global/Generic Versions BD_MF79UV1.0.0B05 : Specific versions are often tailored to local
This allows you to use a SIM card from any carrier, not just the one the device was locked to. Many modified firmwares act as a "разлочка" (unlocker) for operator-locked modems. The easiest way to do this is often to find and flash a generic, unbranded firmware (like the BD_MF79UV1.0.0B03 version).