I just upgraded from an iphone to an iphone 3g and I can't text. I get a message saying that I need to use a valid 10 digit number. I have deleted contacts, added them back in to no avail. I can manually put in the number and it seems to work, but to ''reply'' to the person when they text back, I get the message again.
Check message center no.(Service provider will provide u ) , message sent as (Should be "text"),message validity (max. time), replay via same center no.(No)
Gizmo1
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iphone 3g sms fix
just the same as he said!!
same problem for me, please help its killing me
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