Navigate to Settings > System Info (or About Device ). Look for the "MCU Version" string. For PX3 units, you might see "MTCE" followed by a manufacturer code (e.g., GS, XRC, HA) and a version number.
Improvements to Bluetooth stability and Apple CarPlay/Android Auto wireless connections. rkpx3 mcu update
Fixing screen glitches, app crashes, and power management issues. How to Prepare for an Update Navigate to Settings > System Info (or About Device )
Use a USB thumb drive or microSD card formatted to FAT32 . If using a drive larger than 32GB, use a specialized tool like "GUIFormat" to ensure it is correctly formatted. Step-by-Step Update Methods Method 1: Local USB/SD Update (Recommended) If using a drive larger than 32GB, use
Adding support for new CAN bus protocols to ensure steering wheel controls and air conditioning displays work correctly.
This is the most common method for PX3 units where you have manually downloaded the update file (usually named mcu_dapin.bin or dmcu.img ). How To: MCU Update for 7.1 vertical screen head units
In the world of car stereos, the MCU acts as the bridge between the Android software and your car's physical hardware. An specifically addresses hardware-level refinements, including: