The unit should enter a "forced update" mode and begin reading the files from the USB.
Insert the USB into the head unit. The system should automatically detect the update and prompt you to start. Jcac10003-oc2-v1.0 Update
The screen may go black or show a progress bar. Do not turn off the engine or unplug the USB during this process. 3. Forced Recovery Method (For Frozen Units) If your unit is stuck on the boot logo: Insert the USB drive with the firmware. The unit should enter a "forced update" mode
Updating these units can be tricky. Using the wrong firmware can "brick" your device (render it unusable). Always proceed with caution and ensure you have a backup of your current system. 🛠️ Preparing for the Update The screen may go black or show a progress bar
A stable power source (do not update while your car battery is low). 🔄 How to Perform the Jcac10003-oc2-v1.0 Update 1. Online OTA Update (Easiest)
If the online method isn't available, you must manually load the firmware.
Use a paperclip to press and hold the button while simultaneously holding the Power button (or touching the screen with five fingers).