Apple can offer or recommend answers as a possible solution based on the information provided; All possible issues may involve a number of factors not described in detail in the discussions in an online forum, and Apple can not guarantee the effectiveness of the proposed solutions in community forums. You can also visit the manufacturer website (eg Samsung, HTC, LG). They will list the full specifications, but sometimes it may be difficult to find information about older models. Apple Iphone 5s 32gb Silver Gsm Unlocked Certified Refurbished How To Unlock An Iphone 3gs For Tmobile. here. The purchase program can not be combined with other promotions, discounts or offers from Samsung, carriers or dealers. Most mobile phones in Europe are unlocked, as most people use the payment while switching SIM cards when they go to another country, and there are phones, such as iPhone, which are free of charge on the contract over there. Of course, the T-Mobile version is the one that comes with the carrier pre-installed nano SIM card but the device is completely unlocked when purchased from Apple so it can be used in any other network anywhere in the world. Become the world including the US , while the SIM-free unlocked model comes without a SIM card, and just like the T-Mobile version, is free to use on any carrier. Until the product is available to the mass market, I do not understand how anyone can be sure about the availability of a product (for example unlocked), which is just considered vaporware. If you want a particular phone and carrier that offers the best service in your area, offer an appointment on this device that will save you money, that a good way. Even if you ready to settle for slower downloads and jump on T-jump. Mobile networks with a legitimate, unlocked, non-jailbroken iPhone, there is a little work involved. Check Samsung.com for a list of smartphone models that currently qualify for submission; In Samsung sole discretion, modification of smartphone models during the promotional period may change at any time. If your device is from another vendor, contact your wireless service provider for instructions on unlocking your device for the T-Mobile network.