Gevey sims are outdated and worked only til 4S. After which R-Sim has catered til 5S. The new r sim is too expensive for the 6/6+. iCloud locked devices are next to impossible to unlock - there is no known way atm.
A locked i6 will be difficult to find here in Pak but u have a good chance to find one in your local mobiles bazaar. In fsd locked iPhones are available in the bazar here. If you know anyone abroad you can get them to bring one over for you if all else fails. I've been looking for an unlocked iPhone 6 (in UK) but i might just buy a locked one if its able be unlocked easily. How much is the dude charging to unlock iPhone 6? Can u get me his contact please, i would like to ask him what networks he can unlock?