AT&T and T-Mobile.

来源: beHappyLOL 于 2010-12-31 10:20:51 [] [旧帖] [给我悄悄话] 阅读数 : (261 bytes)

Both of them use GSM. Make sure the phone you purchase from AT&T or T-Mobile supports quad-band GSM, not the dual-band type. Also you have to call AT&T or T-Mobile to have the phone unlocked before you use the phone with SIM card bought in China.

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• 回复：Thanks. -NaCl- ♂ 给 NaCl 发送悄悄话 (0 bytes) () 12/31/2010 postreply 21:19:51

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