Verizon - 1 (800) 922-0204 AT&T - 1 (800) 331-0500 Sprint - 1 (888) 211-4727 T-Mobile - 1 (877) 453-1304 You will most likely need to provide your account password (if applicable) and your iPhone’s IMEI number (found in Settings > General > About > IMEI).
The main exception to this lies with active duty military personnel, as a carrier unlock may be requested before deployment regardless of the state of the iPhone’s payment.
If your phone uses non-U. S. English, you’ll tap Cellular Data or Mobile Data here instead. [1] X Research source
On some phones, such as AT&T ones, you’ll first have to tap Cellular Data Options before you can view the “Cellular Data Network” option. In exceptionally rare cases where your carrier has given you a SIM card that lets you change your iPhone’s Access Point Name (APN), having this setting won’t necessarily mean that your phone is unlocked. If your phone has a SIM card like this, proceed to the next method.
The Power button is either on the right side of your iPhone’s casing (iPhones 6 and up) or on the top of the iPhone’s casing (iPhones 5S and down). On an iPhone X, you’ll have to hold down the Power button and either of the Volume buttons until the switch appears.
The Power button is either on the right side of your iPhone’s casing (iPhones 6 and up) or on the top of the iPhone’s casing (iPhones 5S and down). On an iPhone X, you’ll have to hold down the Power button and either of the Volume buttons until the switch appears.
The Power button is either on the right side of your iPhone’s casing (iPhones 6 and up) or on the top of the iPhone’s casing (iPhones 5S and down). On an iPhone X, you’ll have to hold down the Power button and either of the Volume buttons until the switch appears.
The iPhone 3G, 3GS, and original iPhone have SIM card slots on the top of the iPhone’s casing.
Make sure the tray is all the way back in the iPhone before continuing.
If your iPhone has a passcode on it, you’ll need to enter your passcode or use the Touch ID sensor to open the Home Screen.
If you see a message requesting an “Activation Code”, a “SIM Unlock Code”, or a similar error before you can open the Phone app, your phone is carrier-locked.