Like a PUK, it’s a unique sequence of digits and plays a role when you’re switching networks. Either way, when a phone is locked by the network in these circumstances, you’ll need a PUK to unlock it before you can start using your phone again.Ī PAC (porting authorisation code) is very different. You’ll also need to get a PUK code in the event that you mistakenly enter the wrong PIN code and you are automatically locked out.ĭepending on the network you’re signed up to, you may be allowed up three incorrect tries, or up to ten.

You’ll need one in the event that your handset is locked by your current network and you want to use a SIM card from another network. What is a PUK for? Is it different from a PAC Code?Ī PUK, which is sometimes known as a network unlocking code (NUC) or personal unlocking code (PUC), is a unique sequence of eight digits that your network must supply, as long as you fulfil certain criteria.Ī PUK is required when you want to unlock a phone. We’ll also look at which networks require PUKs to unlock phones, as well as clear up the difference between a PUK and a PAC (porting authorisation code). In this guide, we’ll explain exactly what a PUK code is and outline the easiest ways to get one. You may want to unlock your phone because you want to use it with another SIM card, or because you’ve opted to switch network.Īlternatively, it may be that you’ve accidentally entered the wrong PIN too many times and now need a PUK to unlock your SIM card and start using it again. Personal unlocking keys (PUKs) are required by some networks when you want to unlock your phone.

Puk code for verizon sim card