Learn how to easily update your TomTom navigation device with this ultimate guide. Follow step-by-step instructions to connect your device, install TomTom Home software, check for updates, and install them for accurate and reliable navigation. Keep your device up-to-date for the best driving experience. Keeping your TomTom navigation device up-to-date is crucial to ensure accurate and reliable directions while on the road. In this ultimate guide, we will provide you with step-by-step instructions on how to easily update your TomTom navigation device.