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How to set up 4S Unicom card to send and receive short messages?

Hello, how to set/query/cancel the SMS center number of iPhone:

1) Set the number of the SMS center: dial * 5005 * 7672 *+86130 * * * * * # with iphone and press Call.

2) Inquire about the number of SMS center: use iphone to dial *#5005*7672# and press Call.

3) Delete the center number: dial # # 5005 * 7672 *+86130 * * * # with the iphone, and press the SMS settings in the mobile phone-the SMS service center number is changed to +86 130 165438. I hope this helps.