From what I have read, you can use it "through your device". According to my cellular provider (Verizon) your cellular device must be turned on, connected to their network, and then you can use your S2 watch through your device account. The info also states even if you are not near your cell phone, the watch will connect to their network. I'm assuming it's a 3G connection, from what I've been reading. Ok just read on another thread that you can use Bluetooth to use phone features on the watch, OR, pay another 5 bucks a month to add it to your plan. Since I carry the phone with me everywhere, I guess all I'd need is bluetooth or just use phone to make & take calls.
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