Extract the downloaded firmware ZIP file on your computer. Copy the raw update files directly to the root directory of your FAT32 USB drive. Do not place them inside a folder. Step 2: Connect to the Car Unit

If the head unit is sluggish after the update, you may need to clear the cache.

The screen will go black, and a loading bar will appear. DO NOT UNPLUG POWER. Finalize: The unit will restart with the new firmware. Method 2: Online Update (OTA) Connect your head unit to Wi-Fi. Go to Settings > System > System Update . Tap "Check for Updates." If a new version is listed, click download and install. 5. Factory Settings and Troubleshooting

What prompted you to update the firmware (e.g., frozen logo, no sound)? What year, make, and model of car is the unit installed in?

The MCU installation wiped the CAN bus hardware adapter profile memory.

Take note of the exact decimal number (e.g., V1.73 or V1.80).