using 聯通card in China.
Preferred network has three options:
CDMA -- did not work, because it is gsm sim card
Gsm mode-- did not work, "there is no sim card on your device, your device will switch to CDMA mode now"
Gsm/umts mode -- did not work, same error message as above.
here is the error message
所有跟帖:
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Looks like your phone is not unlocked!
-bigboy2000-
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04/02/2012 postreply
09:27:26
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How did you unlocked the phone?
-xialele-
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04/02/2012 postreply
09:44:54
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I changed it inside "Call".
-bigboy2000-
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04/02/2012 postreply
10:00:05
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Can you tell me the detail steps?
-xialele-
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04/02/2012 postreply
10:32:17
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Now I kind of understand
-xialele-
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04/02/2012 postreply
10:38:53
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Do you select GSM only when in China or GSM/UMTS dual mode
-xialele-
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04/02/2012 postreply
09:50:44
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GSM/UMTS dual mode as I remembered.Not sure.
-bigboy2000-
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04/02/2012 postreply
10:02:07