SIM Card | Troubleshooting
This article contains steps to identify and resolve issues with your SIM card.
eSIM | About
This article contains information about eSIMs, including what it is, how to get an eSIM, how it works.
eSIM | Troubleshooting
This article contains information about OneNumber and eSIM
Unregistered SIM or Not Registered on Network message
This message will be caused by either a locked/defective phone, or a faulty SIM card.
Mobile | Data isn't working on a new SIM card
This article contains steps to get mobile data working with a new SIM card.
Use SIM swap to replace a lost/stolen SIM card
SIM swap is the best way to replace your lost or stolen SIM card if you have the following:
SIM Swap | Frequently Asked Questions
This article contains details on how to move your number to a new SIM
Moving to One NZ | Do I need a new SIM card?
Details about using your SIM when you move to One NZ
Mobile | Set up a new mobile phone
This article gives you the steps to follow to get a Mobile Device up and running.
Turn a Micro SIM into a standard SIM
You can use an adaptor to convert your Micro SIM back to the larger sized Standard SIM - just pop into one of our retail stores and we'll give you an adaptor for free.