Choose GSM service, in "network" choose GSM and bandwith 850 or other bandwith depending on the carrier of the sim card.
insert ATT sim card, go to "setting","all settings", "personal",
所有跟帖:
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in "personal", tap "phone" then, change serive to GSM
-xinliji-
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09/06/2011 postreply
08:49:01