How To Unlock Iphone 5 Verizon For International Use here. Post a new question Angelica Alvarez, Content Writer, Answer via iPhone Black before 37w If you mean Carrier unlocked, you can definitely check with an IMEI Checker. Keep in mind that not all carriers accept all unlocked phones so if you have an operator in mind, it probably best to check with them to make sure your phone is compatible with the network before you cross your mileage can vary a lot with this solution , but in my case, people from the T-Mobile Store down the street from my house were very accommodating and did not think twice about trying one of their SIM cards. The site allegedly has access to a public database of IMEI codes that allows the user track which phones are unlocked in the world and who are not. And some marketplaces, such as Swappa and Orchard, include an IMEI controller, both passing through GSMA blacklist check and whitelist checks, and recognizing carrier activation being sued. If the iPhone breaks down, the screen is broken, water is damaged, you must rely on iTunes or iCloud Backup to restore SMS from iPhone to Mac. You can always check if an iPhone is unlocked. Use another SIM card from the vendor. If it works right away, you know that the device is unlocked. If a message called SIM is not supported, or another request from the phone app, such as activation code or SIM lock code, appears, your iPhone will be blocked by your wireless service provider. The best way to check if your iPhone is unlocked. The best solution I found to check if one of my iPhones is unlocked or not, is to simply unblock the SIM card and buy one from another carrier inside. Do not buy iCloud-locked iPhone, it probably stolen. Fortunately for most consumers, iPhone theft has fallen significantly since Apple iCloud locks the devices that basically render stolen iPhones useless.