AT&T is one of the largest and most popular telecom providers in the US. Still, the company has had several recent issues that might convince you to switch providers. One of the most prominent was ...

To check if your Android phone is unlocked, try swapping in another SIM card or test your network settings. If calls work, ...

You can check to see if your iPhone is unlocked in Settings or by checking the IMEI and serial number online. You can also test your phone by swapping SIM cards with another phone that has a plan with ...