New phones can easily be unlocked by contacting your network (even if you have to pay if you still in the contract), whereas most older phones can be unlocked with codes generated free of charge on the Internet. It is also worth noting that this unlock method generates a ticket that is only valid for the SIM card used during the procedure. That is, if you have any SIM cards that you want to use in unlocked iPhone, you should recommend repeating the process of all sim paying a small fee to officially and legitimately unlock the iPhone because that the only way to be Make sure your unlock will be permanent. Examples of these mobile devices are Apple iPhone 5c, 6 and later, Motorola G4, G5, X Pure, Samsung Galaxy S6, S7, S8 smartphones, most phones based on a Qualcomm Snapdragon chipset or radio. Unlock Sprint Iphone 5 Without Sim Card. When you buy iPhone from O2 and you are a monthly customer, you can ask O2 anytime to unlock iPhone, as long as it not iPho ne 6 or 6s (including Plus models) (They say they do not have to meet you the minimum contract period (so you can not cancel your contract too soon just because you have unlocked the iPhone). As I explained in my answer above on the question of locked and unlocked phones, CDMA devices do not have the same flexibility regarding device portability as GSM phones. In addition, if you want to switch networks without having to buy a brand new iPhone from the new operator and want to use the old phone, just unlock the iPhone 7 by inserting the SIM card from the new carrier, will not work. DirectUnlocks are big enough for them to negotiate a price with the networks so they can offer them permanently. Unlock iPhone 6s or 6s plus. They also suggested some solutions to fix some blacklists and iCloud issues like these iPhones (I have not solved them because I did not want to buy these iPhones, I did not own them.) If you do not know the original network where the iPhone is locked, please use our iPhone Network Finder, which gives you complete information about your iPhone will provide.