The original base version for most RKPX3 units.
Any you're trying to fix (e.g., lag, Bluetooth, or headlight bugs)? Rkpx3 Android Update
A prompt should appear asking if you want to install the package. Tap The original base version for most RKPX3 units
Because official updates don't exist, users often look to Custom ROMs. Rkpx3 Android Update
It is highly recommended to select "Wipe data and format flash" during the update to ensure system stability.