While DC Unlocker Client is mostly used to unlock phones so that they can be used on other GSM networks, the software can also be used for other purposes, such as reading and writing phone firmware, repairing IMEI numbers, and more. In other words, it provides a way to skirt around the SIM lock that carriers typically place on phones they sell. This popular software program allows users to direct unlock their phones without having to go through their carrier. If you’ve ever wanted to unlock your mobile phone so that you can use it on another carrier’s network, there’s a good chance you’ve heard of DC Unlocker Client.