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 ...
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 ...