Take a photo of this screen before proceeding. You will need the exact MCU version number if you ever need to restore the factory settings. Part 2: Prerequisites and Materials Needed
unit based on the MTK8227L chipset ) is a journey through enthusiast forums and specialized download portals. Because these Chinese Android head units are rebranded by dozens of manufacturers like Junsun, MEKEDE, or Roadanvi, the "official" update path is rarely through a standard settings menu. The Search for the Firmware
A male-to-male USB cable connected to the head unit's primary USB harness port. Execution Steps Open on your PC.
Ensure your car battery is healthy or keep the engine running. If the unit loses power during the flash, it’s game over. 4. The Update Process (Step-by-Step) Method A: The Standard Update
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