iOS 11 - Is in app purchase testing using a sandbox user keeps asking to sign in for anyone else too? Forever loop?

Question

I am testing a non-consumable IAP on an iPhone 6s running iOS 11 GM. Whenever I tap my \"Buy\" button, it asks me to sign in. I tap \"Sign in with existing apple ID\" and en

Answer 1

This is what just worked for me.

1) Go to setting on your device and sign out of your current account. Then sign in with your Sandbox account.

2) Power off your device and when it boots in open the app you are testing. It may ask for you to enter in you password (which would be the sandbox user's password)

This should fix the issue...

Let me know if you tried and the outcome.