Recent Toyotas have a unit called "Touch 2" or "Touch&Go 2" in their middle console. Problem is: you can't differentiate between them easily. Actually, the "Touch 2" is what you see when sitting in your car. The "Touch&Go 2" is the same base unit, but with an extra processor and software module stuck on its back. The "Go"-part will completely replace all features of the "Touch", but still use the same display and controls. Like replacing the computer tower under your table but keeping the same display, keyboard and mouse. That's why "Touch&Go" units show different screens than the "Touch"-only units.
If your device has navigation, that comes from the "Go"-part and this update isn't for you as you can't update the "Touch"-part easily because the USB-socket now goes to the "Go"-unit. Also it wouldn't do much for you, as the "Touch"-unit is disabled anyways.
To do the update, you need your VIN and an empty USB stick with at least 1GB space total.
Head over to this website and create a free account (or login). Enter your VIN and the Bulletin ID BE-0044T-0415. You should get one result like this:
Download the file, unpack it and you should get a file
Format your USB stick with FAT32 format and put the extracted file on it. Nothing else.