If you flash the wrong firmware version, your CANBUS box could be "bricked" (rendered permanently unusable). This is because CANBUS boxes are not universally manufactured. Even if two boxes look identical on the outside, the internal chips may differ.
If your head unit is connected to Wi-Fi, look for a "CANbus Update" or "Protocol Update" button within the Factory menu. Some units, like those from Phoenix Automotive or Joying , allow you to download the latest protocol files directly to the device. update canbus android
: Your steering wheel buttons or original car settings (like fuel consumption or tire pressure) aren't appearing. If you flash the wrong firmware version, your
There are two ways to update the logic the unit uses to talk to your car: If your head unit is connected to Wi-Fi,
This is the hardest step. Unlike Google Play apps, CANbus updates are fragmented. Here is where to look: