Connect the dongle, install the drivers, and use a terminal program (PuTTY, CoolTerm) on the virtual COM port:
AT+ZSNT?
The tool will display a "Success" or "Pass" message. The modem will automatically reboot. Step 4: Post-Flash Configuration
Three categories of sources exist:
Last updated: May 2026. Always verify file checksums and scan for malware before executing any firmware update tool.
Install drivers and tool:
: Send, receive, and store text messages directly through the browser. zte mf79u firmware full
Launch the flashing software (e.g., Sales_DL.exe ) as an Administrator.
The ZTE MF79U is a highly popular 4G LTE USB Wi-Fi dongle used globally to provide portable internet. However, users often face issues like device bricking, SIM locking, stuck indicator lights, or frequent disconnections.
A zip file containing files like apps.mbn , dsp2.mbn , boot.img , and webui.bin . Step 2: Putting the ZTE MF79U into Download Mode Connect the dongle, install the drivers, and use
This guide assumes you have downloaded a correct full firmware package.
: Official updates fix stability issues, improve data throughput speeds, and patch security vulnerabilities. Prerequisites Before Flashing
Fix: Perform a hard factory reset. Keep the device plugged in, locate the small reset pinhole on the side of the stick, and press it with a paperclip for 10 seconds. Step 4: Post-Flash Configuration Three categories of sources
. Flashing the wrong region's firmware can brick the device. Flashing Tools: Most full firmware packages require ZTE Terminal Software QPST (Qualcomm Product Support Tool) , or specialized tools like EFS Professional Common Firmware Types Only updates the visual interface of the modem.