You do you need to have Garmin update GPS on your device? Now this depends on two factors; if you have purchased the life-time updates for your GPS or have to purchase maps every-time you update. Second if what kind of area you live in. If you have access to life time updates; why not to make use of it and keep your device updated. Also if you live in a very developing, fast growing area where streets change frequently then too it is advisable to have regular update on your GPS. In this case it is better to have life-time update purchase on your device. Otherwise you can check if maps aren’t interfering in your travel; you can wait.
Please read the originial post here: https://www.mygarminmapupdate.com/garmin-update-maps-express-nuvi/