: This indicates the firmware has been compressed into an archive file. Official updates from Garmin are typically handled automatically through their software, so a .rar file often suggests a manually downloaded package from a third-party site or a specialized support forum. How to Update Your Garmin DriveSmart 60/70
While manual firmware files exist, it is highly recommended to use official tools to avoid rendering your device inoperative. Drive and DriveSmart 60-70 (2268) fw5.90.rar
: While Garmin releases various version 5.90 updates across different product lines, for automotive units like the DriveSmart 60/70, these updates often focus on system stability, improved reception for traffic providers (like the GTM 60/70 cables), and general bug fixes. : This indicates the firmware has been compressed
