Firmware Download

Download the old version

Download Type Firmware
Model name ID-31A, ID-31E
Version Release E2 (CPU 1.03, DSP 1.04)
Update May.15.2012
Major changes

Major function improvements-

DSP : Fixed a problem that the recording function may not work in the FM mode, when the recording function is stopped and then restarted.
CPU : Minor update for production convenience.
  • An optional OPC-2218LU data cable is required.
  • The firmware cannot be updated using the microSD card.
  • The CPU firmware update is only for the factory production purposes.
    Although the revision number is changed and there is no difference in the functions or the performance of the ID-31A/E.
  • Before starting the firmware update, read "Firmware update information" (760KB) thoroughly and make sure what is required for the update.
  • Never turn off the transceiver power or disconnect the data cable while the update is being performed.
  • Save the setting data, memory data and repeater list of your transceiver to a microSD card or to the PC with the CS-31 cloning software before performing the firmware update.
  • Fully charge the battery before updating the firmware in order to avoid a power failure during the update.
File Size 1.32MB
File Type zip

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.