Updates & Downloads
Nuvi 24x7 25x7, Taiwan (GCD file only) software version 4.20
as of December 29, 2016
View system requirements
- WARNING: If this software is uploaded to a device other than that for which it is designed, you will not be able to operate that device.
- If attempts to upload software fail, you may need to return the device to Garmin® for service.
Changes made from version 3.60 to 4.00:
- NOTE: The user data will be cleared after this update.
- Bug fixes and stability improvements.
- IBM-compatible PC running Windows XP or later operating system and an available USB port.