Icom IC-7850
firmware v1.20
Icom · Released Jan 19, 2018 · First seen Sep 7, 2026
Source:
icomjapan.com
v1.20 is not the latest firmware for the Icom IC-7850: the current version is v1.41 (May 15, 2024). Go to v1.41
In short — summary by updatemystuff.com
Added MIC+USB modulation input option and enabled RC-28 desktop dial support.
- MIC and USB combination now selectable for modulation input in SET MODE
- RC-28 optional remote can now function as a desktop dial
Written from Icom's release notes, which are printed in full below.
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What's in this update
Changes in this version
A combination of [MIC] and [USB] is now selectable for the Modulation input connector selections in the SET MODE.
The optional RC-28 directly connected to the IC-7850 or the IC-7851 is now usable as a desktop dial.
To update the firmware
Thoroughly read Section 10. USING AN SD CARD OR USB FLASH DRIVE and Section 17. UPDATING THE FIRMWARE of the
INSTRUCTION MANUAL
and follow the instructions appeared on the display of the IC-7850 or the IC-7851.
updatemystuff.com never hosts firmware files — always download from the official source.
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Create account & watchChanged since v1.13
- A combination of [MIC] and [USB] is now selectable for the Modulation input connector selections in the SET MODE.
- The optional RC-28 directly connected to the IC-7850 or the IC-7851 is now usable as a desktop dial.