- Jan 26, 2011
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I have a Gear S3 Frontier on my TMobile as a stand alone number wearable account. Can the Galaxy Watch be used on TMobile on this line or would I have to buy a voice line to use it? TMobile guy said I had to buy a phone with a voice line in order to activate the watch. Is this true? If so, I'll keep my Frontier S3 LTE.