The specifications of the internal MF289F/F1 module are as follows:

The MF289F router is a 4G indoor unit produced by ZTE with that has an internal LTE modem with these specs:

• Network support: 4G LTE Networks TDD/FDD + WCDMA
• Chipset: Qualcomm SDX24 Platform
• CPU: 1x Cortex A7 up to 1.4GHz
• RAM: 256MB
• NAND: 512MB
• 4G LTE Cat: 20 downlink & 13 uplink
• 4G LTE Speed: 2Gbit downlink & 316Mbit uplink
• Connectivity:
  • USB over MiniPCIe Header, operates in two modes:
    • Normal mode with QMI+DIAG+ADB+NMEA
    • Mode with only DIAG+NMEA+AT
  • Flashing requires an adapter for your PC, such as this one.
  • When the module is on its router board, the bus speed is 3.0, on the adapter, it operates at 2.0.

Useful Stuff

• Software Revision
• Partition & Filesystem Info
• LTE Combos
• Play with EDL tools and partitions
• Enter 'Emergency Download Mode' (EDL) if your module is bricked
• Recovery module that is hard-bricked - WINDOWS ONLY
• Swap Firmware on the module
• Enable VoLTE for a Provider that is not supported

⚠️ Certain links in this repo will lead to other repositories which are not under my control. You accept that I have no control over and accepts no liability in respect of materials, products or services available externally of this repo. ⚠️

Any help is really appreciated, feel free to open a PR to fix or add informations 😊