The primary destination for official updates is the ZTE Device Support Page . You can select your specific country or region to find localized firmware versions.
Go to Settings > Device Settings > Update Management . Zte Mf79u Firmware LINK
into a USB power source and connect your computer to its Wi-Fi network. The primary destination for official updates is the
Looking for the ? Keeping your 4G USB Wingle perform the update
This guide provides everything you need to find the correct firmware, perform the update, and troubleshoot common issues. Where to Find the Firmware Link