Unlock a One NZ mobile phone | All available instructions
This article lists all the available unlock instructions for One NZ mobiles
Prepay | About Zero Credit
All about what you can do if you have no credit on your Prepay.
Unregistered SIM or Not Registered on Network message
This message will be caused by either a locked/defective phone, or a faulty SIM card.
Deco X58 | Insert a new SIM card in the modem
This page explains how to remove and insert a SIM card into a Deco X58 modem.
Deco app | Check Wireless Broadband signal strength
This page explains how to check the Wireless Broadband signal strength your Deco device is receiving.
Guide to unlock the Vodafone Smart P11
Switch the phone off Insert non-One NZ SIM card Switch the phone. The device will display Network locked or SIM ME lock Enter the SIM unlock code Select OK Phone should now be unlocked.
Mobile | Manage services by TXT
This article provides a list of different TXT codes that you can use to manage your One NZ mobile services.
Mobile user guides
Our online mobile user guides provide detailed step-by-step instructions on how to use your mobile phone, as well as basic troubleshooting for some common problems.
Wireless Broadband home phone | Disable Call Diverts
You should know
My One NZ | Buy a Pay Monthly Add-On
This article explains how you can buy more data, more calling minutes or TXTs for your Pay Monthly (On Account) account using My One NZ.