Is your phone locked to a particular network? This is very common in contract phones that have been supplied by a certain network carrier such as Vodafone. Your phone will most likely be locked to their carrier which means it will not allow you to use any other network in the phone. We can offer to unlock your device. Please use the link to unlock your phone with MyPhoneUnlock. We approve this website and you can have peace of mind knowing we use them regularly.
www.myphoneunlock.co.uk