Unlock Iphone A1549. All you have to do is just use your SIM card and choose Appalachian Wireless or Straight Talk as a carrier, and your device will be unlocked locally. Sprint does not allow you to buy a phone from them on another network because they use them Knowing that it so bad they can not afford to lose customers. When joining the FCC in mid 2000 to buy new frequencies for their new LTE network, they chose cheaper frequencies to run their LTE network (compared to the frequencies used by the other US carriers for your LTE network For devices that are not SIM-locked (usually devices introduced before February 2015), Sprint sends an invoice notification to postpaid customers who receive an MSL unlock code, if any, for the device MSL code exists. Aside from the new iPhone 6, iPhone 6 Plus and iPhone 5S - which will receive DSU support on February 19th - there is hardly any other device on the market that supports this new unlocking process. Unlock Iphone 5 Forgot Pin. Things Needed USB Data Transfer Cable References (1) Mobile Phone Shop Help Resources (1) 5gmobile.us: GetSPC.zip About the Author Kirk Bennet began writing in 2005 for websites and online publications. Because it attracts poor quality or spam response that has to be removed, it requires a reputation on this site (association bonus does not count). Simply click on the My Account tab, select your phone from the resulting list and select Unlock device to use int SIM from the Manage this device drop-down menu. Unfortunately, these new guidelines for Apple devices are probably only applicable to iPhone 6S and newer models because the launch date is after the Magic February date. The MSL code can be used to override operating parameters that limit the device to operation in the sprint network; However, the MSL code alone does not allow certain devices to operate on the network of another operator.