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MyFlex Prepay Mobile Plans

With MyFlex Prepay you can design your own plan or select from one of our Popular Combos – whichever option you choose to get set up with, you have the flexibility to redesign your data, mins and TXTs at any time.

Just start with a One NZ Prepay SIM and then follow the link on your phone to get set up with a MyFlex plan. Or, if you already have a SIM with us and want to bring your number over from another provider, follow the steps on the page below and get 5GB of free data for 90 days.

Wifi Calling included across all MyFlex Prepay plans.

^You must stay active to carry over unused data up to 3.5GB and minutes up to 500 unused minutes. *Excludes premium and special numbers (i.e. short codes or MMS/PXT). Plans last 28 days. When your plan allocation has been used, casual rates may apply.

MyFlex Terms and Conditions apply.

Four simple steps to join

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Buy a One NZ MyFlex Prepay SIM.
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Insert the SIM into your phone and follow the link to get set up.
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Choose your MyFlex Prepay plan and top up.
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Download the My One NZ app to manage your account and get deals.

Frequently Asked Questions

How do I top up?

How do I top up?

You can top up online or use the My One NZ App on your phone.

Will my credit expire?

On a MyFlex plan you must top up once every 360 days to ensure the connection stays active. If a top up is not made within this period, all remaining credit will be lost and you will lose your number.

What's the minimum top up amount?

The minimum top up amount is $10 through My One NZ desktop or app, when on a MyFlex plan.

How long will my plan last for?

Your MyFlex Prepay plan will last for 28 days.

Can I use 5G on my Prepay plan?

To get the benefits of 5G, you’ll need a 5G capable phone from One NZ or selected retailers.
You’ll need to be in a 5G coverage area (5G is live in parts of Auckland, Wellington, Christchurch, Queenstown, Tauranga, Whangarei, and more), and on an eligible prepay plan.
All current 4G plans are eligible for 5G.

Is using 5G free on Prepay?

If you have an eligible prepay plan and a 5G phone from One NZ or selected retailers, you can use 5G at no extra cost.

How do I flex my MyFlex plan?

You can flex your MyFlex Prepay plan in My One NZ at any time by clicking ‘Manage plan’ in ‘Plans & Add-ons’.

See how to redesign your MyFlex.

What Add-ons can I get?

Choose from a range of great value Prepay Add-Ons to keep you connected. Access any of these Add-Ons by pressing ‘Buy More’ in the My One NZ app.

1 day for $5


1 week for $10


28 days for $20


28 days for $25


28 days for $45
100 NZ MINs

1 day for $3

30 NZ MINs

1 week for $6

100 NZ & OZ MINs

30 days for $10

Unlimited TXTs to NZ & OZ

30 days for $10


1000 minutes for $6 to call one nominated One NZ mobile number for 30 days


1000 minutes for $10 to call one nominated NZ mobile number - this can be on any nominated NZ network for 30 days

Will I be charged if I run out of Data, Mins or TXTs?

If you run out of Data, Mins or TXTs before your renewal date, you'll be charged at a casual rate for any data you use or calls and TXTs you make.

Do I get carryover on MyFlex?

On MyFlex you can carry over up to 500 unused mins and 3.5GB unused data, TXTs will not carry over. All you need to ensure is you have enough credit for your plan to auto-renew.

If you have unlimited minutes you will automatically carry over 500 minutes if you switch to a plan with a lower number of minutes the following month.

For more info see here.

Will I lose carryover data if I change my MyFlex Combo?

If you hit ‘Change plan’ or ‘Save changes’, your new plan will update on your next renewal date. You get to keep your carryover data.

If you hit ‘Renew plan’ or ‘Buy now’, you’ll switch right away but you’ll lose your carryover data.

Can I borrow $5 credit?

If you're running low on credit and can't Top Up right away, get an instant $5 credit with Prepay IOU.
Next time you Top Up, you'll repay the $5 plus a $0.50 fee.

Simply TXT IOU to 468 and we'll apply a $5 credit straight away!

Important things to know:

  • You must have less than $14 credit to use IOU.
  • You can only have one outstanding IOU at a time - you need to repay your outstanding IOU before you can request another one.
  • IOU is not available while roaming.
  • You can't move to another Prepay or On Account plan while you have an unpaid IOU.

Learn more about our IOU.
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