Knowledge Base:  
Yaesu's Firmware Upgrade for the FTM-400
Last Updated: 10/30/2015
The RT Systems software now works with the SCU-20 cable that comes with the radio provided the radio is Version 2.00 and the programming software is up-to-date.

Once the firmware upgrade is completed on the radio, do a Communications | Get data from Radio into a NEW file so the programmer can capture that change. Then you will be able to send your original file back to the radio via the SCU-20 cable. The same process can be completed with the SD card.

Get the upgrade files here. This site is for distribution only as demand has slowed Yaesu's site. Any questions should be directed to Yaesu.

FTM-400 Firmware Update

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