Specifically for Version 4 (V4) and Version 5 (V5) hardware revisions, which use the newer 2571 PLL chip.
Here is a template for a "proper" community post—ideal for forums like RadioReference or Facebook groups—to share or discuss this firmware. 📻 New Firmware Release: TYT MD-9600 (Hardware V5) v26.45 A new firmware update has been spotted for the TYT MD-9600 Retevis RT90 md9600-csv-2571v5--v26.45.bin
Download the file (it is often included in "firmware software V4.3.6" ZIP packages from TYT). Save it to a known folder on your PC. Specifically for Version 4 (V4) and Version 5
Manufacturers release firmware updates to fix bugs, add features, or improve DMR compatibility. Version 26.45, based on community changelogs from 2021–2023, likely includes: or improve DMR compatibility. Version 26.45