on your PC to ensure the device is recognized in "Download Mode". Download a flashing tool like ZTE MF90 Firmware Update Tool Smartphone Flash Tool : Use a tool like DC-Unlocker MF90 Reader Tool to back up your current IMEI and configuration data. Connect the MF90 via USB to your computer. Run the update executable (often named Software_Update.exe in the firmware folder).

– Unbranded firmware typically removes startup logos, carrier menus, and unnecessary preconfigured profiles.

Carriers sometimes disable essential features like SMS, port forwarding, or IP passthrough to simplify support. Generic firmware restores these tools.

: Some versions of the MF90 (like the MF90+) have hardware differences that make them incompatible with standard MF90 firmware. Always verify your exact model under the battery before flashing. Unlocking Guide for ZTE MF90 Router | PDF | Wi Fi - Scribd