

With the introduction of navigation apps, it is less likely that stand-alone GPS devices will be required in the future. If you don’t have access to a Wi-Fi network, or if you prefer to use a SD card, you can follow the instructions below to update your Garmin Nuvi 255w with a SD card. Updating your maps wirelessly is the easiest and most convenient method, but it requires that your Nuvi 255w is connected to a Wi-Fi network. There are two ways to update the maps on your Garmin Nuvi 255w: you can either do it wirelessly, or by using a SD card.

When this happens, you’ll need to update the maps on your Nuvi 255w so that you can continue to get accurate directions. If you own a Garmin Nuvi 255w GPS device, you may be aware that the maps contained on the device might eventually become outdated.
