Firmware Download

Download the old version

Download Type Firmware
Model name ID-4100A, ID-4100E
Version Version 1.05
Update Jan.31.2020
Major changes

Changes from Version 1.04

  • Fixed the problem where the standby beep may sound approximately two seconds after receiving a reply when simply pushing PTT to key up the repeater.  This occurred on transceivers using Version 1.03 or Version 1.04 firmware.

To update the firmware

  • Thoroughly read 13. UPDATING THE FIRMWARE of the ADVANCED MANUAL and follow the instructions in it.
  • Making a backup file of programmed contents and settings before updating the firmware is recommended.

  • The firmware will be updated to the following versions.
    CPU M: 1.05
    S: 1.00
    C: 1.01
    DSP: 1.03
File Size 1.02MB
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.