Firmware Download

Select the firmware for the radio model you own.  

Firmware update instructions can be found in the manual. 

FX-4CR V2023.2.25 update:

FX-4CR V2023.3.8 update:  

- Fixes CW auto key speed error above 22 wpm 

- Fixed the popping problem caused by CW mode transceiver conversion 

- Optimized automatic power control 

- Optimized receive image suppression  

...and includes past updates:

- Fixes RIT function

- Adds MENU item for speaker mute when headphones plugged in

- Fixes DIG mode speaker not muted