[Lightower]

Just to let you know, I had an issue in which I was not able to receive calls. Did a search and there's some sort of bug with parental control features that helped me out.

KB36391-Unable to receive calls or text messages from phone numbers not stored within a contact in the Contacts application

To modify the Phone Calls from contacts only and Text messages from contacts only to the expected values, please complete the following steps:

Swipe down from the top bezel to bring up the Quick Settings menu
Tap Settings
Tap Security and Privacy
Tap Parental Controls
Move the Parental Controls slider to the right to enable the feature.
Uncheck the Add recovery question check box.
Tap the eye icon in the right of the Password field so that the text entered in this field is visible
Type a password of your own creation in the Password field. Note: it is important to remember and document this password.
Visually inspect the text entered in the Password field to ensure the text in the Password field matches the intended password text.
Enter the same test in the Confirm password field.
Tap OK
Check the Phone calls from contacts only check box
Check the Text messages from contacts only check box
Tap the Back button in the lower left hand corner to leave the Parental Controls settings screen and save these changes.
From the Security and Privacy settings list, Tap Parental Controls
When prompted, enter the Parental Controls password created in steps 8 through 11 and tap OK
Uncheck the Phone calls from contacts only check box.
Uncheck the Text messages from contacts only check box.
Move the Parental Controls slider to the left to disable the feature.
Tap the Back button in the lower left hand corner to leave the Parental Controls settings screen and save these changes.

[hamsterwheel]

Thank you for posting this! Will be very helpful!