Firmware Download

Download the old version

Download Type Firmware
Model name IC-7850/IC-7851
Version Version 1.10
Update 2015/07/17
Major changes


  • A Tracking function has been added to change the Main and Sub band frequencies in the same tuning steps at the same time using the Main dial.
  • A Waterfall Marker Auto-hide function has been added to automatically hide the marker on the Waterfall display 2 seconds after you stop it in place.
  • CI-V commands for antenna controllers and the spectrum scope have been added.
  • The firmware update solves a problem where the S-meter may stop operating.

Refer to IC-7850 Firmware information - version 1.10 or IC-7851 Firmware information - version 1.10 for details.

    • The firmware can be updated using an SD card or USB flash drive. Thoroughly read Section 17 (UPDATING THE FIRMWARE) of the instruction manual to know what the update requires.
    • Backup your transceiver's data onto an SD card or USB flash drive as it is possible that your data could get lost or corrupted during the update. Thoroughly read Section 10 (USING AN SD CARD OR USB FLASH DRIVE) of the instruction manual for details.
    • Never turn OFF the transceiver power during the update.
File Size 3.99MB
File Type zip
Manual manual download page

Regarding this Download Service.

When using this download service, the implementation, use and/or results of use are the sole responsibility of you using this download service and the equipment. You shall comply with applicable laws and regulatory requirements in the use of this download service and in the operation of the equipment.

Firmware is important data for the basic system control of your equipment. An interruption during downloading or a malfunction may cause a failure in the data re-writing, and your equipment may stop functioning normally. If such a failure of the firmware re-writing results in your equipment not functioning normally, Icom Inc. and its affiliates expressly denies and is free from any and all responsibility arising from the result of damage from such an event.

You agree not to hold Icom Inc. and its affiliates responsible for any damage to your equipment operation or loss of data, or unauthorized use of the equipment, whether intentional or not, as a result of use this download service.