If you own a GO 1000, GO 2000, or VIA 150, your "Latest map guarantee" means you received v880 through v960 automatically.
TomTom primarily uses a four-digit versioning system for its consumer navigation devices. Version Identification : The map version is represented by a number such as Major vs. Minor Versions tomtom map version history
As TomTom moved from PDAs to dedicated hardware like the classic GO series, the map evolved. Version 5.0 introduced a revolutionary concept: the map could have a personality. If you own a GO 1000, GO 2000,
Map versions are identified by a 3- or 4-digit number (e.g., v1165). Estimated Release Year Major Map Versions v1165 (Latest as of early 2026) v885, v890 How to Check Your Map Version If you own a GO 1000