How to use your Network Unlock Code
The Network Unlock Code or NUC (sometimes called a Network Unlock PIN or NUP, or Network Control Key or NCK) allows you to unlock a mobile phone from its original network. If you already have a NUC, here's how to use it.
If you’ve not received a NUC but need one, go to our Request a NUC page.
If you need to unlock your phone in another way, see our Unlocking your phone page.