Thanks for the map. All of the locations we've been over the past month are covered under 5G or 4G LTE coverage. The watch will show No Signal. If my son doesn't notice it (he now knows to reset it to get back online when he sees the icon), we'll know it's not working when we try to get a location and get a "no battery/low connectivity" message (from the phone) or recognizing our sent messages are not showing "delivered". Oddly enough yesterday it showed his location as being 1,000 miles away from where we knew him to be, then the watch lost service (restored, again, by resetting the watch).
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