With the release of ios 7 Apple has released new security sysytem , by which the real owner of the device can lock their device using apple icloud service. Apple has implemented this step to prevent the device from unauthorise use.
But some genuine users are too trapped. Some buyer may bought icloud lock device from Ebay or online services without knowing the device is locked. So at the end they are stuck at expensive paperweight device.
SOLUTIONS : Right now only TEAM Doulci is working on this project. More than 70000 device were bypass on month of may alone. Right now their server is offline. And they are working on new software called as Doulci activator which can bypass icloud activation lock without the need of itunes. The software is in beta phase and on june 15 it was beta tested by some of the members and tweeter follows.
You can download the beta version of the doulci activator only from the link below