Oh no! It looks like your iPhone's screen is frozen. Well, you came to the right place. Fixing an iPhone's frozen screen is easy, so follow the steps and you will be ok.

The Caller ID is the name displayed when you call someone whose phone does not have your number saved. This can be useful if you are calling somebody for the first time. To modify your Caller ID, you must go to a phone service store in your area. Any AT&T, Verizon, T-Mobile, etc. would do!

This guide is for both Samsung and iPhone smartphones.