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 ...

If you’ve ever bought a second-hand iPhone or switched to a new carrier, you may have faced the frustration of a locked device. Carrier-locked iPhones prevent you from using SIM cards from other ...

To find your iPhone's IMEI, you can use the Settings app, Phone app, Finder, or iTunes. You can also find the IMEI in the SIM tray of your device. If you don't have your iPhone with you, you can find ...