This is the standard method for BIN files.
Download and install the ZTE LTE USB drivers on your Windows PC so the computer recognizes the hotspot in download mode. Zte Mf920u Firmware
Open the firmware update tool ( .exe file). This is the standard method for BIN files
Flash a generic global firmware version or request an unlock code. How to Hard Reset the ZTE MF920U MF920UV1.0.0). For the MF920U
Flashing the wrong file can brick your device (turn it into a paperweight). Always match the hardware version (e.g., MF920UV1.0.0).
For the MF920U, firmware updates typically address:
Typically LTE Bands 1/3/7/8/20/38/40 (Varies slightly by regional carrier variant) Wi-Fi Protocol: 802.11 b/g/n at 2.4 GHz How to Update ZTE MF920U Firmware Officially