The RAM management on the UIS7862 chip is better handled here, leading to faster app switching and less "stutter" when running heavy apps like Google Maps alongside Spotify.
Many users reported "popping" sounds or inconsistent volume scaling in previous versions. TS10.2.2 optimizes the DSP (Digital Signal Processor) path for cleaner output.
Go to Settings > System > About Device . Look for the "Processor" line (it should say UIS7862 or similar) and the current "Build number."
Extract the firmware files (usually a collection of .bin , .upd , or .zip files) to the root directory of your USB stick. Do not put them in a folder.
Plug the USB into the primary 4-pin or 6-pin USB port of your head unit.