Use this if you want Android as the sole OS.
The most common "real" upgrade path for these units. Rkpx3 Android Update
: Your unit is currently working properly. The risk of breaking core car functions like radio or climate control often outweighs the benefits of a slightly newer UI. How to: Update PX3 Vertical Screen Head units Use this if you want Android as the sole OS
Check the packaging or the logo on the boot screen. Common brands using the PX3 include: Rkpx3 Android Update
Updating car firmware is "at your own risk" territory. Always back up your factory settings (specifically your settings) before you start. If you lose your steering wheel controls or your AC stops working, you'll need those settings to get them back.