Unlock any iPhone up to and including the iPhone X that is locked to 3 or iD UK.
Service supports any model as long as the handset is not reported lost / stolen or part of an unpaid bill.
Phone bought from Carphone Warehouse with UK flex policy also supported.
Simply enter your phones IMEI and allow the allocated time.
When your phone is ready to be unlocked simply put the sim card in you would like to use and connect your phone to iTunes to re activate your phone.