If you have a locked iPhone on EE UK carrier here on this guide will show you what is the best options to Unlock EE iPhone on any sim card permanently. The full guide how to You are not allowed to view links.
will find here on this page. This is official and trusted service for me, the best options to Unlock your locked iPhone to working on any Sim Card in the world.
If use this service to Unlock EE UK iPhone will have benefits to update your iPhone on the latest iOS versions and never will be relocked again. This will help to stay your iPhone all time Unlocked.