Locate the physical pinhole on the front bezel of your device, or locate the capacitive physical Power button.
If flashing via a PC, use a short, high-quality USB-A to USB-A cable connected directly to the motherboard's rear pinouts.
Plug the drive into the head unit's USB port. The system should automatically detect the update and prompt you to start the process. Jcac10003-oc2-v1.0 Update
The preloader.bin file initializes your boot sequence. Flashing a foreign or mismatched preloader will permanently kill the motherboard's communication port. Use a verified dump native to your JCAC10003-OC2 revision.
Do not roll back unless the device is non-operational. Instead, open a support case for downgrade assistance. Locate the physical pinhole on the front bezel
Note down your MCU version string. This is the most critical identifier for matching the correct update file. Hardware Requirements: A high-quality USB flash drive (formatted to FAT32 ).
: Never turn off the car or disconnect the power while the update is in progress, as this can permanently "brick" (break) the unit. The system should automatically detect the update and
: TDA7388 or TM2313 sound processing amplifiers. Key Enhancements in the v1.0 Update Series
