How to sim unlock iphone 4 ios 6?

How can I unlock my iPhone 4 sim unlock io6 please help me!

You can get the Remote Unlock service from the site http://www.onlinegsmunlock.com/apple-iphone-4/rs7wp9/ and Unlock I-phone 4 from service provider lock(Sim lock). Then use with other GSM Network sim card.

You can factory Unlock iPhone 4 iOS6 using any Trusted and Reliable online service.