Talking about secret codes, they always tend to attract us. We, human beings are always curious to know anything which contains a label of a secret on it. Well, to feed your hunger, I'm here with some secret codes and how they work.
No, I'm not gonna explain the mystery behind the 4, 8,15,16, 23 and 424. I'm just gonna reveal some iPhone secret codes which you've never heard of and after knowing, your life will be so much easier than it earlier was.
With these secret codes, you can do things on your iPhone in a just single step which you didn't even know existed.
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Source Tech Insider