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Across

 
Member Since: Jan 16, 2012
Posts: 6
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Hi guys. I live in the U.S. and have never had a smartphone. My ISP is AT&T, so I'll probably use that for my phone, to have it all on the same bill. I want a 5s model that works well both in the States and in China. What do I need to know in my situation, concerning GSM, LTE, SIM cards, locked/unlocked phones and all that? Thanks!
QUOTE Thanks