Possible Duplicate: iPhone StoreKit - invalid product id's. I am getting I tried everything suggested in the Apple forums and here, and still. If you have followed these instructions and you receive the "Invalid serial number or user name" error message (below), then hopefully the following information. Mar 17, 2017 "You have entered an invalid serial number. Without a valid serial number, Trend Micro Security cannot protect you. Please try again.
Did you try remove app from device, clean your xcode and reinstall your app again? Its so classic answer i know but it worked for me before and you. Sep 28, 2005 I asked an online camera shop to sell me a battery charger and they advised me to buy what turned out to be an AC adaptor. Now they won't.