How Do You Know If An Iphone Is Unlocked. This is the same method that carriers and cell phone repairs use to unlock the iPhone 5C. 0% Guaranteed to permanently unlock iPhone 5CS from Apple.Ps, all iPhone here, even Nano SimCards have carrier phones, so I sorry again when I built your hopes, but I think most people are not aware of this fact. They are the only ones that are so big with idiots now, with all the other carriers you can unlock your phone if you have paid for it or before, depending on the shipping company. If your phone is not reported lost or stolen or linked to fraudulent activity, Sprint customer service will be locked by phone when contacting the company customer service line at 866-866-7509 or using an online chat platform. Personally, I still know somebody at 9.1, who Savy was enough to save his SSH blocks, and every time Apple forces an update on his jailbreak device, it only has to recover accordingly. Instructions for entering the unlock code: Turn on your iPhone 5C with another SIM card. You are prompted to enter the Sim Network Unlock Pin or lock code to enter. Enter the unlock code Your iPhone 5C phone is now unlock Enter Unlock Code: Turn on your iPhone with another SIM card. You will be asked to fill out the Sim Network Unlock Pin or unlock code. Enter the lock code. Your iPhone phone is unlocked now. In accounting confirmation I met the requirements to unlock, but when my mother took it to the Metro, the guy said they would need the MDL code for it. Well, things are not so because you can use a Sprint USA to perform iPhone Unhook and then use it with other wireless networks that use GSM (and its 4G LTE network usage). For example, iPhones Sprint brand was manufactured so that they can not be unlocked so that the device can be enabled on the network to another operator working in the United States.