Version 2.86 is one of the final stable releases for the RT6 hardware before support shifted to newer units (like the NAC/Wave 4). Key improvements in firmware 2.86 include:
Before you begin, make sure you have the following: rt6 firmware 286 download upd
If this happens, you’ll likely need a specialist or a garage with Citroën/Peugeot diagnostic software to silence the beep. 🔍 Finding the Download Version 2
Improved microphone clarity during hands-free calls. rt6 firmware 286 download upd
Here is the information piece regarding that request: