To help you search, here are the current stable firmware versions as of late 2024:
| Modem Model | Latest Stable FW | Key Update Benefit |
| :--- | :--- | :--- |
| ZTE MC801A (5G) | BD_PTNMCE_MC801AV1.0.0B13 | Fixes 5G NSA dropouts & IPv6 passthrough |
| ZTE MF283V | VDF_GB_MF283V1.0.0B07 | Adds VoLTE support for voice calls |
| ZTE MF971R | TMO_US_MF971RV1.0.0B12 | Band locking menu unlocked (Hidden engineering mode) |
| ZTE MF920V | GEN_EU_MF920V1.0.0B06 | Battery charging optimization (stops bloating) |
| ZTE MF289F | ATT_MF289F1.0.0B23 | AT&T FirstNet band priority fix |
Note: Always verify these version numbers on the official ZTE support site for your region. Zte Modem Firmware Update Tool
Once the tool says "Download Completed," unplug the USB. Remove the battery (if removable), wait 30 seconds, reinsert the battery, and power on. The first boot takes 3-5 minutes as it builds new caches.
The tool communicates with the modem via USB cable or WiFi ADB (Android Debug Bridge), bypassing the standard web GUI to write directly to the NAND flash memory. To help you search, here are the current
In 2023, a critical remote code execution (RCE) vulnerability was found in older ZTE firmware (CVE-2023-24522). Hackers could hijack your modem via a malicious SMS. Updating patches these holes.
Click “Open File” or “Browse” and select the .BIN or .PAC firmware file you downloaded. Once the tool says "Download Completed," unplug the USB
Search for the official “ZTE Firmware Update Tool” (often named ZTE_Firmware_Update_Tool.exe or bundled as ZTE_Update_Tool_MSV.zip). Extract and install it.
Run the tool as Administrator (right-click → Run as administrator). You should see a screen showing: