Icom ID-4100A
firmware v1.05
Icom · Released Jan 31, 2020 · First seen Sep 6, 2026
Source:
icomjapan.com
v1.05 is the latest firmware for the Icom ID-4100A, released January 31, 2020.
In short — summary by updatemystuff.com
Fixed standby beep sounding approximately two seconds after transmitting on repeaters
- Standby beep delay after PTT repeater transmissions resolved
Written from Icom's release notes, which are printed in full below.
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What's in this update
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
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Create account & watchChanged since v1.04
- 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.