How do I fix "Account Not In This Store -Your account is not valid for use in the U.S. store. You must switch to the Swedisch store before purchasing."

Change App Store

1. Tap "Settings"

2. Tap "iTunes & App Stores"

3.Tap "View Apple ID"

4. Enter your user name and password.

5. Tap "Country/Region."

6. Tap "Change Country/Region"

7. Select the region where you will be located.

8. Tap "Done".

To switch, go to Settings > Store > AppleID > View AppleID > Enter your password > Coutnry/Region and reset to Sweden.