Inside this menu, find the option for or Firmware Update . 4. Upload and Install
Because the F-ST 3890 V3 Delta is usually ISP-locked, you must get the file from your specific provider: Update Software in SAGEMCOM F-ST 3890 V3 Delta
Most SAGEMCOM F-ST 3890 V3 routers receive firmware updates automatically from the ISP via TR-069 protocol. Inside this menu, find the option for or Firmware Update