Had a great time in Cancun with the Note 4 and my new Gear S, but beware of data roaming even when phone and S are constantly parked in hotel room with strong (and free) wifi connectivity. First, make sure you dig into Gear S connection settings and make sure data roaming is turned off...we almost always do that with our cell phones, but don't forget the S. Secondly, found out from AT&T after nasty phantom data roaming charges that Apple and Samsung devices are notorious for using data roaming---if it is enabled---for auto updates, etc. even though the cell phones have access to good wifi connectivity. Just a FYI.