Are you receiving unwanted phone calls on your iPhone. Well the new iOS 7 upgrade adds inherent ability to Block these spam calls without the use of any apps or Jailbreaking your device. Thus, finally iPhone 5s and iPhone 5c now come with inbuilt ability to block calls, messages and FaceTime.
Follow the following steps to block an unwanted caller:
1. Open Phone App
2. Tap on Recent
3. Tap on the “i” next to the number you want to block
4. Scroll all the way at the bottom
5. Tap on “Block this Caller”
6. Confirm this on the next screen and you’re done.