You need to buy an official update one of two ways:
To update the maps on the NSZT-W60 SD card: toyota nszt w60 sd card
Reserved for the system's "boot" or "startup" card. This card contains the firmware required to activate Bluetooth, Radio, and the Reverse Camera. AUDIO SD Slot: You need to buy an official update one
Example: A 16 GB SDHC card formatted FAT32 is a common, reliable choice for storing maps and updates for NSZT‑W60. toyota nszt w60 sd card
If your unit is locked or showing a map error, you generally have two options: Insert a Genuine Map SD: