Hi Wayne here is the Firmware update for the FT-991 so have a look and see if it's got the information you need to update your FT-991.
This is to update the MAIN Ver 2.14 and part 2 is to update the TFT Ver 2.03 date 24-08-2016
Make sure you back everything up before you do the Firmware Upgrade
22 авг 2024