Sometimes the "system" is fine, but the interface apps (like the radio or CarPlay bridge) need refreshing. Open the directly on the head unit.

I brought this xtrons unit android 12 9” after my last ... - Facebook

Insert the drive into the unit. Go to Settings > System > System Upgrade and select "Local Upgrade". 2. Manual App Updates

The controls the physical hardware (knobs, steering wheel buttons, power).

Система Orphus