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A standalone GPS won't chew up your data plan or your phone battery, either.The one advantage apps have over a standalone GPS is that their maps are frequently updated.If you have lifetime maps, it's worthwhile to always have the very latest.If you don't, you'll have the option of purchasing lifetime maps or a one-time update.
Updates not only improve voice guidance, they also include updated maps and route information.
Locate the tab for it on the company's main page – or type a phrase such as "Garmin official software page" into your favorite search engine – and follow that to the download page.
Connect the GPS to your computer and click the "Download" button, then follow the prompts to install the software and register your device.
When the process completes, check the boxes next to the additional updates you want to install.
Select updates related to firmware, GPS software, Bluetooth, vehicles and voice languages.