If you have obtained the software image, follow these steps to restore your unit: Toyota Software Updates

Before running the installer:

It was a typical Monday morning for Alex, a software engineer at a renowned automotive company. As he sipped his coffee, he received an email from a colleague regarding a peculiar issue with the Toyota navigation system, specifically the NSDNW59 software. It seemed that a group of enthusiasts had created a custom software patch that enhanced the system's functionality, and they were eager to share it with the community.