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I just bought a Samsung Gear S3 Classic. Do I need to leave the wifi on, off, or on auto on/off? I think maybe on? I have no clue how that affects it and its services. Also, what about bluetooth? Do I leave it on or off? I'm thinking I can leave it off and just turn it on when I want to connect to my phone to download an app or something. Otherwise, I don't need it.