Also for me the same issue...I get 4 times "SignIn required" screen and after that he transaction fails with the error "Cannot connect..." if I retry all goes fine and I'm able to buy.Unfortunally my app is in review and they rejects it!Let me know if something changes in the meanwhile.Thanks
gianmariafromtorino
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Where did you found the sample? I can try and send me where I can send them the video...Thanks
I have the same issue....after the first try buyings are fine.Unfortunally my app is in review and they rejects it!
That thing about credit card is not true at 100% since also with sandbox users has the same behavior.Looks like an Apple problem.