I was suspicious first (there are many scams out there), but each time they had amazing communication at each step and the process is so painless and easy. This allowed consumers to unlock their mobile phones, but so far, it was not necessary for carriers to sell unlocked phones or to respect lock requests (although most nevertheless). Basically, it is better to contact Sprint yourself to unlock iPhone for you as it will mostly be free and a better option if you have completed the duration of your iPhone contract. I wanted to unlock the iPhone 4 as I would send it to my sister abroad in Europe, I called the Sprint International Department and here the story: The International Department told me that they can not unlock the phone because it not on duty and Therefore, can not access the phone, go to the Apple Store, they will help you. In addition, Sprint devices that the owner has attempted to reprogram or activate on another transport network or other changes in the initial programming or settings can not be reactivated in the sprint network. Online Factory Service Unlock iPhone X Permanently Through IMEI If you can not unlock your iPhone X using any of the above methods, you can use an online iPhone X Unlock service from IMEI. Generally, most people launch after February 2015 Smartphones This means that the SIM slot can be unlocked for use with other wireless service providers in the United States. This information will also be useful if you switch to a better network for better packages or replace your phone with a new one that travels frequently from the country, you need to use international SIM cards to prevent extremely expensive roaming charges on their monthly bill and, in addition, Unlocking a device enable some features on the device, but not all of them (for example, an unlocked device can support voice services, but no data services if it is in another network is enabled). How To Unlock Iphone If It Is Disabled.