You must probably remove the back cover to view it, and on many phones, you must also remove the battery from the device, provided that the phone has a replaceable battery. Look for branding Many mobile phones sold by mobile operators contain the name of the phone production, as well as the logo or brand name of the particular operator. There are many great deals out there (for example, read the MUO article about MVNOs), but if the phone is locked, you are bound to the vendor who gave you the phone (that why they locked it!). TMo uses primarily 1700 on 3G and LTE, 1900 3G is something they are actively converting, but right now it not nearly as prevalent as 1700. Verizon 4G LTE devices are unlocked in the box One thing that is related here Note the software locks is that all Verizon 4G LTE smartphones are unlocked from the box. Tagged: Jailbreak unlock more of IDB passtime You can customize the code request time (and it really great) leaked document shows white houses in favor of lifting unlock, jailbreaking Ultrasn0w updated for iOS 6.1 Newsletter Get updates directly in your Posteingang.Text Content (messages, call logs, notes, etc.) can be saved as .txt, .xls, .xml file; Media content (videos, pictures, notes) appears as original formats like .jpg, .png, .mp4, etc .; iPhone contacts can be exported as a . Samsung Galaxy S Unlocked Phones. vcf file. As far as I know, this is rare as most airlines know that some people can take their subsidized phones abroad so they either lock it or unlock for each network - nationally or internationally. Print launched in March a new program , can with the customer using their existing Sprint devices to other mobile virtual network operators using the Sprint network, but the application is not working for Virgin mobile customers. The main difference is that unlocked phones contained no more restrictions as they can work with any network while SIM free phones are just not equipped with a SIM card and can not be connected to a network.