Under the field, make absolutely sure you select your SD card drive.

Wait 2 to 5 minutes as the system reads the loading files and cycles through a Japanese progress bar.

Leave a comment on top automotive diagnostic forums or consult the pinned threads in the "Toyota Techstream" section of Digital Kaos. Safe driving and happy troubleshooting.

Simply dragging and dropping the downloaded software onto your storage card will not work. The head unit requires specific boot sector instructions hidden within the disk image.

Regain access to the settings menu and audio functions. How to Download and Create a Bootable SD Card

Warning: Be extremely careful when using open search engines for "free firmware downloads." Many malicious sites bundle adware or executable viruses inside files labeled as map data. Step 3: Preparing and Writing the Boot Files