IMEI numbers are important for security and identification purposes, and you can easily check IMEI numbers on iPhone and Android devices alike. Here's a quick guide on how to do it.

Having a carrier-locked phone can make it difficult if you want to sell your phone or move carriers. Here are a few ways to ...

Wondering if your iPhone is still under warranty? Here are a few ways to check your iPhone warranty status and find out if you're still covered by AppleCare.

The Download You can check your phone's settings to see data usage on iPhones or Androids. Carriers like AT&T and Verizon allow data checks by dialing a number or using their app. Apps like ...