The firmware on this page is compatible with the RS-UV3 and RS-UV3A transceivers.
Instruction for determining which firmware is running in the RS-UV3A and how to update it can be found in Section 6 of the manual.
All necessary files are at the bottom of this page.
Revision History
4-5-2018 Initial Release Version 2.4
2-20-2022 Fixed an issue with VOX mode