Prepaid New Zealand eSIM | Spark, One NZ & 2degrees
Roami
Roami is a global eSIM carrier focused on travel connectivity. This guide is compiled from network data, official carrier and manufacturer documentation, and traveler inquiries.
📑 Table of Contents
Choosing a New Zealand eSIM means picking between three networks that win different awards — this guide matches each one to the drives you have planned. On Ookla’s H1 2025 New Zealand report, One NZ was named Best Mobile Network, while Spark was the fastest 5G network and 2degrees led on consistency and fixed broadband. Where you drive decides which of them deserves your data. What does Roami’s support inbox see most for New Zealand? The same failures the coverage and registration sections below spell out.
Quick answer: One NZ eSIM if you are moving around New Zealand, Spark eSIM if you base yourself in one city. Speeds, prices and the registration fine print below all support that split — start at the compatibility page to rule out handset problems.
One ten-second prerequisite: confirm your handset is eSIM-capable via the eSIM compatibility page, and skim how eSIM activation works if the process is new to you.
In brief: Staying in Auckland, Wellington or Christchurch? One NZ took the Best Mobile Network award and reaches 60.9% 5G availability, the highest of the three. Streaming a lot or driving the South Island? Spark owns the fastest 5G and the widest rural reach, and its sub-brand Skinny sells the cheapest per-gigabyte eSIM on that same network. Want a carrier eSIM as a visitor? All three MNOs now sell prepaid eSIMs directly, and Skinny is the one true budget brand. Or skip the paperwork: free data trial tests the networks at no cost, and the code WEB20 cuts 20% from New Zealand prepaid eSIM plans.
Can visitors buy directly from One NZ, Spark or 2degrees?
This section settles the first question every visitor asks, which networks you can actually buy a prepaid eSIM from, and whether a single-carrier line or a travel profile is the smarter buy for your route.
One NZ vs Spark: which is better in New Zealand?
| One NZ | Spark | 2degrees | |
|---|---|---|---|
| Visitor eSIM availability | Yes, ordered online, installs by QR before you fly | Yes, eSIM only online through Travel Packs | Yes, on selected handsets in app or store |
| Standout strength | Best Mobile Network award, highest 5G availability | Fastest 5G, strongest rural and West Coast reach | Most consistent network, fastest fixed broadband |
| Cheapest way onto the network | Travel SIM $29 for 2GB over 30 days | Travel Pack $29 for 2GB over 90 days | Unlimited Travel SIM from $24 for 3 days |
| How visitors buy it | ★★★ — online QR, no passport needed | ★★★ — eSIM only online, 90-day packs | ★★★ — visitor SIM, airport and store pickup |
Read that table carefully, because it contains the single most useful fact on this page: New Zealand is unusually friendly to visitors. Unlike markets where the big networks hide behind sub-brands, all three national operators sell a prepaid eSIM that an international visitor can buy directly, with no passport registration and no local address. One NZ was the outright winner of Ookla’s Best Mobile Network award for H1 2025, Spark was the fastest 5G network, and 2degrees posted the top consistency and fixed-broadband scores.
Sub-brand eSIM options in New Zealand
New Zealand’s only genuine budget sub-brand is Skinny, which runs on Spark’s network and reaches the same rural areas for less money.
| Brand | Network it uses | eSIM for visitors | Who it suits |
|---|---|---|---|
| Skinny | Spark | Yes, bought in the app, activated by calling 456 after you land | Cheapest per-gigabyte way to ride Spark’s rural network |
| One NZ prepaid | One NZ | Yes, ordered online, installs by QR before you fly | Travellers who want the Best Mobile Network award |
| 2degrees prepaid | 2degrees | Yes, on selected handsets, in app or store | City stays where 2degrees is strong and cheap |
| Spark Travel Packs | Spark | Yes, eSIM only online, 90-day validity | Road trips that leave the cities |
Two cautions. First, a sub-brand or budget plan that leases Spark or 2degrees capacity is still tied to one network, so it shows the same gaps as the parent the moment you leave the main routes. Second, none of these brands sells a walk-up product that beats a travel eSIM for convenience, because every one of them still wants a New Zealand activation step and a payment card.
Carrier eSIM or travel eSIM for a standard holiday?
| Direct from a New Zealand carrier | Travel eSIM on a New Zealand network | |
|---|---|---|
| What you need | Unlocked phone, payment card, sometimes a local number | A compatible, unlocked phone |
| How the profile arrives | QR by email, in-app install, or a store pickup | QR code or app install immediately after checkout |
| Typical 10 GB cost | Around $49 NZD for a 60 to 90 day pack | A single upfront price, no SIM fee |
| Network access | One carrier | Automatic switching between One NZ, Spark and 2degrees |
| Best for | Stays of a month or more, or anyone who needs a local number | Trips of days to weeks, and anyone who wants to be online on landing |
For a standard holiday the money clearly favours one option. A local prepaid plan is built for residents who want a New Zealand number and monthly billing; a travel eSIM buys data at wholesale and lets the device move between networks. Where the carrier wins is longevity and voice, a real local number and unlimited domestic calling, which only matters once you live in New Zealand.
💡 A multi-network eSIM profile is the practical middle path: Roami’s New Zealand eSIM keeps the convenience of instant delivery, switches automatically between One NZ, Spark and 2degrees, and still lands you on Spark in the mountains and One NZ in the cities without buying twice.
Bands, locks and the 3G shutdown
Three things decide whether your phone works on a New Zealand carrier: its bands, its lock status, and the 3G shutdown that changed the voice rules in 2026. All three are covered below.
Which bands does my phone need for New Zealand?
New Zealand carriers build their 4G on Band 1 at 2100 MHz, Band 3 at 1800 MHz, and Band 28 at 700 MHz for the low-band coverage that matters outside towns. Their 5G sits on n78 at 3.5 GHz, with some n40 at 2300 MHz in dense areas. The band that visitors most often miss is Band 28, because it is the one that carries signal into valleys and along the South Island’s alpine roads.
Band tables are not part of the packing list. Look up the model number rather than the shop name in device compatibility list; that is the version that decides. Worth knowing before a long-haul flight: what eSIM activation is and how it works describes the download that turns the chip into a working line.
Does my phone need to be unlocked for a New Zealand eSIM?
A locked phone is the most common reason a New Zealand eSIM install simply fails, and New Zealand has an unusually light rule here: there is no SIM registration law, so a prepaid line activates without a passport, and the only lock that blocks you is the one your home carrier put on the handset.
Check it: iPhone goes to Settings, then General, then About, then Carrier Lock. “No SIM restrictions” is exactly what you want to see before buying. If it reads “SIM locked,” no outside eSIM will install until that changes.
Fix it: the unlocking request goes to the store or network that originally sold the device. A phone off contract is generally unlocked within hours, and normally for nothing. Only then try installing your eSIM.
If you bought a used phone, or a phone from a market outside New Zealand, assume it may be locked and check before you fly. New Zealand also ended 3G in 2026, which means a phone that only does 4G data without VoLTE loses the ability to make calls, so the lock check is only half the story.
Can my handset run a New Zealand eSIM?
| Device | Symptom | What to do |
|---|---|---|
| Mainland-China iPhone models | No “Add eSIM” option at all, the hardware is disabled in that market | Not fixable, use a physical SIM or another device |
| Carrier-purchased Samsung | eSIM greyed out in settings | Ask the carrier to unlock it first, then reboot |
| Phone without Band 28 | Fast in cities, 4G-only and weak in rural valleys | Expected, lean on Spark which uses Band 28 heavily |
| VoLTE-not-capable handset | Data works but no calls, including 111 | Enable VoLTE or carry a backup for emergencies |
| Dual-SIM users | eSIM installed but no data | Set the eSIM as the line used for mobile data |
The rest is down to your handset rather than to Spark or One NZ. Before you buy, send your model through the eSIM compatibility quiz; it takes a minute.
What each carrier’s visitor plans cost
Four routes exist, and they differ more in paperwork than in price: Spark through its Travel Packs, One NZ through its prepaid Travel SIM, 2degrees through its Unlimited Travel SIM, and Skinny on the Spark network for the budget buyer. Each route, step by step:
Spark Travel Packs, step by step
Spark’s own consumer plans are not aimed at visitors, but its Travel Packs are, and they are sold as an eSIM only through the website. International visitors are pointed straight at this product, which is genuinely built for a short stay.
Spark Travel Pack, step by step:
- Open the Spark Travel Pack page and pick a prepaid plan; eSIM is the only delivery method sold online.
- Choose data-only or an all-inclusive pack that also carries calls and texts.
- Pay with a card that works in New Zealand; the profile arrives by email as a QR code.
- Scan the code on Wi-Fi before you fly, then it connects the moment you land.
Spark’s all-inclusive Travel Packs run on a 90-day validity and the entry tier is $29 NZD for 2GB with 200 NZ minutes and texts plus 100 international. The $49 NZD tier gives 10GB with unlimited NZ and Australian calls and 200 international minutes, the $79 NZD tier gives 50GB with 300 international minutes, and the $129 NZD tier gives 120GB that slows after the allowance. Data-only eSIM packs start at $15 NZD for 5GB and run up to $89 NZD for 100GB.
| Plan | Data | Calls and texts | Validity | Price (NZD) |
|---|---|---|---|---|
| Travel Pack | 2GB | 200 NZ mins and texts, 100 international | 90 days | $29 |
| Travel Pack | 10GB | Unlimited NZ and AU, 200 international | 90 days | $49 |
| Travel Pack | 50GB | Unlimited NZ and AU, 300 international | 90 days | $79 |
| Travel Pack | 120GB | Unlimited NZ and AU, 300 international, speed reduced after | 90 days | $129 |
| Data-only eSIM | 5GB to 100GB | None | 90 days | $15 to $89 |
Spark explicitly markets these Travel Packs for people visiting New Zealand, and lists eSIM support for iPhone XS and later, Google Pixel 3 and later, and Samsung Galaxy S20 and later. Check your model before buying.
One NZ Travel SIM plans and prices
One NZ, the network formerly called Vodafone, sells a prepaid Travel SIM that an international visitor can order online and install by QR before departure, or pick up as a physical SIM in store.
For a One NZ line itself, the visitor path is the prepaid Travel SIM rather than a postpaid contract:
| Plan | Data | Calls and texts | Validity | Price (NZD) |
|---|---|---|---|---|
| Travel SIM | 2GB | 200 NZ minutes and texts | 30 days | $29 |
| Travel SIM | 10GB | Unlimited NZ, 200 international minutes | 60 days | $49 |
| Travel SIM | 40GB | Unlimited NZ, 200 international minutes | 90 days | $69 |
One NZ activated its eSIM support properly: bring an eSIM-compatible device, order the Travel SIM, and it installs by QR. The catch is that the 2GB entry is a 30-day product while the larger packs run 60 to 90 days, so match the validity to your trip rather than just the data.
The 2degrees Unlimited Travel SIM and Skinny
2degrees sells an Unlimited Travel SIM that is built only for visitors, with unlimited data, calls and texts to New Zealand and Australian numbers. It is available at airports, 2degrees stores and a partner that posts worldwide, and the eSIM is delivered by QR through the travel-sim portal.
| Duration | Price (NZD) | What you get |
|---|---|---|
| 3 days | $24 | Unlimited data, calls, texts to NZ and AU |
| 7 days | $35 | Unlimited data, calls, texts to NZ and AU |
| 10 days | $50 | Unlimited data, calls, texts to NZ and AU |
| 14 days | $60 | Unlimited data, calls, texts to NZ and AU |
| 21 days | $80 | Unlimited data, calls, texts to NZ and AU |
| 30 days | $95 | Unlimited data, calls, texts to NZ and AU |
2degrees notes this product is for visitors only and cannot be moved to a standard prepay plan, so it is a clean short-stay tool. If you want 2degrees coverage as a resident-style line, its ordinary prepaid eSIM runs from $8 NZD a month for 150MB up to $25 NZD for 3GB. Skinny, Spark’s budget sub-brand, is the cheapest way to ride Spark’s network: its popular four-week plan is $17 NZD with 1.5GB that rolls over, and you buy the eSIM in the Skinny app, then dial 456 after you land to activate.
What to prepare before purchasing a New Zealand eSIM
- IMEI — dial
*#06# - EID — also from the
*#06#screen, the eSIM’s own identifier - Payment card — some carrier checkouts reject foreign billing addresses
- Unlocked phone — the Carrier Lock field under Settings -> General -> About should say No SIM restrictions
- VoLTE check — text
3Gto550to confirm your handset keeps calling after the shutdown - Wi-Fi — install the profile before you fly, not at the airport
Plans and current tiers live on our New Zealand eSIM page. Sort the profile out at home, because the long flight is when you want nothing left to do.
What the Ookla numbers say about each network
Two questions settle this section: how each network performs where you actually are, and what kind of trip you are taking. The Ookla figures below answer the first; the trip-type and region tables answer the second.
One NZ vs Spark: which New Zealand carrier is faster?
All figures below come from Ookla’s Speedtest Connectivity Report for New Zealand, collection period January to June 2025, and are national-level measurements drawn from the carrier data supplied for this guide.
| Metric | One NZ | 2degrees | Spark |
|---|---|---|---|
| Speedtest Connectivity Score | 74.58 (Best) | 72.85 | 72.59 |
| Speed Score | 65.77 | 65.24 | 63.53 |
| Consistency Score | 86.3 | 91 (best) | 86.1 |
| 5G Availability | 60.9% (highest) | 37% | 30.6% |
| Video Streaming Score | 74.6 | 74.61 | 72.58 |
| Game Score | 79.3 (best) | 78.47 | 77.18 |
| 5-Star Rating | 3.01 | 3.2 (best) | 3.16 |
Source: Ookla Speedtest Connectivity Report, New Zealand, January to June 2025, the per-carrier report. The Connectivity Score combines speed, web and video experience; Consistency Score is the share of samples meeting a 5 Mbps down and 1 Mbps up threshold.
Two things worth noticing: One NZ leads on the overall Connectivity Score and on 5G availability, which is exactly the metric that matters once you leave the cities, while 2degrees wins consistency and Spark trails on 5G availability because its 5G is concentrated in urban areas. On the same report, Wellington was the fastest of New Zealand’s populous cities at a median mobile download of 186.4 Mbps, with Dunedin second and Christchurch third, and Lower Hutt the slowest at 79.03 Mbps.
For context on the country as a whole, Ookla’s Speedtest Global Index placed New Zealand around 27th globally for median mobile download in 2025 at roughly 200 Mbps, well above the global median. On fixed broadband, 2degrees was the fastest ISP with a median download of 220.52 Mbps, ahead of Spark at 192.98 Mbps, and Cable.co.uk prices 1 GB of New Zealand mobile data at roughly USD 5.89, which makes local data mid-priced rather than cheap.
New Zealand eSIM picks by trip type
| Trip type | Recommended carrier | The reason | Watch out for |
|---|---|---|---|
| City break, Auckland, Wellington, Christchurch | One NZ or Spark | Both are excellent downtown; One NZ won Best Mobile Network | Spark’s 5G availability is lower outside the centre |
| Road trip, South Island, Fiordland, West Coast | Spark | Widest rural reach and heaviest use of Band 28 | Milford Road still has a 120 km blackout |
| Video, streaming, gaming | One NZ or Spark | One NZ best game score at 79.3, Spark fastest 5G | Upload speeds trail the download |
| Budget traveller | Skinny on Spark | $17 four-week plan, cheapest per gigabyte | Tied to one network, no switching |
| Business travel and calls | One NZ or Spark | Reliable and broad, real local number | Travel eSIMs are data-only, no local number |
| Multi-region road trip | A multi-network eSIM | Switches as you move | Single-carrier plans show gaps between regions |
One NZ vs Spark: coverage compared
New Zealand’s coverage follows population: dense in the main centres, thinning fast along the alpine highways and vanishing in the fiords. What that means route by route:
| Region | Reality on the ground |
|---|---|
| Auckland and the north | 5G on all three networks across the cities, and it holds along the highways between them. The Northland rural stretches and the East Cape along SH35 have long coastal blinds with no reliable signal. |
| Wellington and the lower North Island | Cities are the strongest part of the map, with solid highway coverage in between. The Central Plateau and the Desert Road show gaps once you leave the towns. |
| Canterbury and the Mackenzie | Good where people live; uneven once the population spreads out. The Mount Cook Highway loses signal in the final 20 km toward Aoraki. |
| Queenstown and the Southern Alps | Valley towns and ski resorts are covered; above the tree line it drops away. The Milford Road and the West Coast passes carry the worst blackouts. |
| West Coast and Fiordland | Coverage follows the settlements; expect dead spots on the long stretches in between. The Haast Pass and Arthur’s Pass each run 65 to 100 km with almost nothing. |
| Great Walks | The Milford, Routeburn and Kepler tracks have no usable cell coverage, and most Department of Conservation huts have no reception at all. Download offline maps before you start. |
Planning a route that leaves New Zealand? Start with eSIM for Australia, compare Fiji eSIM plans, or look at Singapore eSIM. If your itinerary crosses oceans more than once, a Oceania saves you buying twice.
None of this needs babysitting as long as network selection remains automatic. A profile that can move between One NZ, Spark and 2degrees covers the regional gaps that any single-carrier plan cannot.
When would you type an APN in New Zealand?
Most travellers never open the APN screen, so it is the natural first suspect the day data stops. Below: the values for all three carriers plus Skinny, when manual entry is genuinely required, and the exact menu paths.
APN values for One NZ, Spark and 2degrees eSIMs
You will only need these if you bought a SIM or eSIM directly from a New Zealand carrier. Travel profiles come with their APN already set, and editing it on a whim is the fastest way to lose data.
| Carrier | APN | Username | Password |
|---|---|---|---|
| One NZ | vodafone |
blank | blank |
| Spark | internet |
blank | blank |
| 2degrees | 2degrees |
blank | blank |
| Skinny | internet |
blank | blank |
Leave username and password empty. If a network wants a field filled in, the paperwork accompanying the profile names it.
How to reach the APN screen on your phone
- iPhone: Settings, then Cellular, tap the eSIM line, then Cellular Data Network, then enter the APN
- Android: Settings, then Connections, then Mobile Networks, then Access Point Names, then add a new APN
After saving, restart the phone. When data refuses to move, verify the eSIM is set as the data line before trying anything else.
When auto-APN fails in New Zealand
- A handset too old to pick up carrier settings by itself
- A profile installed via manual activation code rather than a QR scan
- A carrier-issued prepaid eSIM where automatic configuration did not run
- Almost never on a travel eSIM, which is the point of a managed profile
Activating your New Zealand eSIM and fixing problems
One pass through this section takes you from a clean install to a working data connection, and covers the failure patterns a New Zealand network can actually produce, in the order you will hit them.
Putting a New Zealand eSIM on your phone
| # | Check | What good looks like |
|---|---|---|
| 1 | Phone is not carrier locked | No SIM restrictions visible under Carrier Lock |
| 2 | Phone supports eSIM | *#06# shows an EID, or the compatibility lookup tool confirms your model |
| 3 | QR code and activation code saved | Screenshot stored on the phone and in cloud storage |
| 4 | Profile installed before departure | Install on Wi-Fi at home, the profile connects when you land |
| 5 | Data line and roaming set | eSIM selected for mobile data, data roaming on |
Do step 4 at home. Auckland and Christchurch arrival halls have congested Wi-Fi exactly when you need it most, and a profile you install on the ground competes with everyone else’s.
Activating a New Zealand eSIM, carrier by carrier
The complete tap-by-tap version, including the roaming toggle at the end, is in our activation guide. What differs by carrier:
- Spark: activated from the Travel Pack email; eSIM only online, scan and install on Wi-Fi
- One NZ: ordered online, installs by QR before you fly, or a physical SIM in store
- 2degrees: Unlimited Travel SIM delivered by QR through the travel-sim portal, days added after landing
- Skinny: bought in the app, then dial 456 after you arrive to finish activation
- Travel eSIMs: install by QR code, and the same profile roams onto whichever of One NZ, Spark or 2degrees is strongest
Four fixes for New Zealand eSIM problems
General activation errors, a profile that will not download, a scan that fails, an eSIM that installs but never registers, are covered in our activation troubleshooting guide. The four patterns below are the New Zealand-specific ones.
A. The eSIM will not install
- In About settings, confirm Carrier Lock says No SIM restrictions
- The QR code usually works exactly once, so scan it carefully the first time
- A quick message to the network can confirm the profile is not stuck in a pending state
B. Installed, but no signal bars
- Re-check the lock status
- Settings, Cellular, Network Selection, pick One NZ, Spark or 2degrees manually instead of automatic
- Purge saved network settings, then power-cycle
C. Signal bars, but no internet
- Re-read the table above and make sure every field matches
- Check that the data-line slot belongs to the eSIM rather than your home SIM
- Remember a data-only travel eSIM cannot receive SMS, so bank codes still arrive on your home number
D. You are in a Fiordland or alpine blackout
- This is geography, not a fault; no plan creates signal where there is none
- Switch to Spark if you are on another network, since Spark uses Band 28 most heavily for rural reach
- Open the offline maps you downloaded before leaving Te Anau or the last town
What to assemble before contacting New Zealand support
| Requested details | Where to look |
|---|---|
| Order or account number | Confirmation email |
| Phone model and OS version | Settings, About |
| EID | *#06# |
| Screenshot of the error | Take it before the screen changes |
| Current APN settings | Settings, Cellular Data Network |
| Data roaming status | Settings, Cellular, your eSIM line |
| Steps already tried | Keep a short list |
Buying direct from Spark, One NZ or 2degrees
Can I buy a Spark eSIM as a visitor?
Yes, and it is the main visitor route. Spark sells eSIM-only Travel Packs online with no passport and no local address; the entry tier is $29 NZD for 2GB over 90 days, and the packs run up to $129 NZD for 120GB. The profile arrives by email as a QR code and connects when you land.
Does One NZ sell a tourist eSIM for short stays?
Yes. One NZ, the network once called Vodafone, sells a prepaid Travel SIM that an international visitor can order online and install by QR before departure, with tiers from $29 NZD for 2GB over 30 days to $69 NZD for 40GB over 90 days. In practice the 30-day entry is shorter than Spark’s 90-day pack, so match the validity to your trip.
Is the 2degrees Unlimited Travel SIM a real eSIM option?
It is, and it is built only for visitors. The Unlimited Travel SIM gives unlimited data, calls and texts to New Zealand and Australian numbers for three to thirty days, priced from $24 NZD for three days to $95 NZD for thirty days, delivered by QR through the travel-sim portal. It cannot be moved to a standard prepay plan, so treat it as a clean short-stay tool.
What identification do visitors need for a New Zealand eSIM?
Almost none. New Zealand has no SIM registration law, so a prepaid eSIM activates without a passport, and the main thing that blocks you is a phone still locked to your home carrier. You do need an unlocked handset and a payment card that the checkout accepts, and some resellers may ask for a name, but the carriers themselves do not require passport registration for prepaid lines.
Will my phone make calls after New Zealand’s 3G shutdown?
Only if it supports VoLTE. New Zealand retired 3G between late 2025 and 31 March 2026, and once 3G is gone a handset that does 4G data but not voice over LTE loses the ability to make calls, including 111 emergency calls. Text 3G to 550 to check your device, and on iPhone confirm Settings, Mobile, Mobile Data Options, Voice and Data shows 4G or 5G with VoLTE on.
Rural coverage in New Zealand: One NZ vs Spark
Spark, on the evidence, because it uses Band 28 at 700 MHz most heavily for low-band reach, and travellers consistently report the widest signal outside cities. One NZ won the Best Mobile Network award and leads on 5G availability at 60.9%, which helps in covered towns, but Spark is the network most campervanners and road-trippers lean on for the South Island. No carrier covers the Milford Road blackout or the Great Walks, so download offline maps regardless.
Is there mobile coverage on the Milford Road?
Almost none for long stretches. The roughly 120 km between Te Anau Downs and Milford Sound is the longest continuous highway blackout in New Zealand; signal vanishes after Te Anau Downs, returns briefly for a few kilometres in the Eglinton Valley, then disappears until the Milford Sound visitor terminal. The 1.2 km Homer Tunnel is a hard dead spot, so cache your maps and road alerts before you leave Te Anau.
Do the Great Walks have mobile coverage?
No, the famous ones are not. The Milford, Routeburn and Kepler tracks run with no usable cell coverage, and most Department of Conservation huts have no reception at all, so a phone is a poor safety device on its own. Pair a travel eSIM with offline maps and, on the remote tracks, a personal locator beacon hired from DOC in Te Anau or Queenstown.
Checking your handset’s bands before you rely on rural signal
Check your exact model, not the shop name, against eSIM compatibility checker, and confirm it has Band 28 at 700 MHz for rural reach plus n78 for 5G. If the band list is intimidating, the compatibility checker is the fast path; most iPhone XS-and-later, Pixel 3-and-later and Galaxy S20-and-later handsets are fine in the cities and weak only in the valleys.
Should you buy from a New Zealand carrier or use a travel eSIM?
Direct means one network, carrier-issued provisioning, and often a local number and unlimited calling; in exchange you do the activation step and sometimes a payment-card hurdle. A travel eSIM means instant delivery, no paperwork, automatic switching between One NZ, Spark and 2degrees, and a fixed upfront price. Short trip: travel eSIM. Months in New Zealand, or you need a local number: direct.
What if my New Zealand eSIM still will not work?
Work the New Zealand-specific patterns above in order, lock status, network selection, APN and data line, then profile reinstall, and if it still fails the wider error catalogue in eSIM error troubleshooting guide covers the rest. Gather the EID, your order number and a screenshot before you raise the ticket.
What does the eSIM inside your phone actually do?
An eSIM does away with the plastic card: a chip inside the phone holds the carrier profile instead. Your operator hands over a profile, the phone stores it on the built-in chip, and from that moment it works like a regular SIM. how eSIM installation works covers the plumbing, SM-DP+ servers included, plus the single-use rule behind the code.
More questions? Full FAQ index
Common questions before you pick a New Zealand eSIM
Will my existing phone take a New Zealand eSIM?
If the phone dates from 2020 or later, it almost certainly works; carrier locks and mainland-China hardware are the exceptions. Run the eSIM compatibility check before you pay for anything.
What’s the way to check the coverage claims against where I’m going?
Cross-reference the carrier sections above with the speed data we cite, then test before you commit: Roami’s test-drive eSIM runs on the same networks and shows you real signal where you actually stay.
What’s the one error that spoils New Zealand trips?
Touching down without connectivity, then wrestling airport Wi-Fi for a fix. Install and activate your New Zealand eSIM the night before you fly — the whole process is covered above and takes minutes.
The evidence base for our New Zealand eSIM guide
- The carrier-level figures rest on the Ookla Speedtest Connectivity Report for New Zealand, January to June 2025 — the per-carrier report supplies One NZ’s 74.58 Connectivity Score and 60.9% 5G availability, 2degrees’s 91 consistency, Spark’s fastest 5G and the Wellington city median of 186.4 Mbps.
- The December 2025 to 31 March 2026 3G retirement dates and the VoLTE requirement are explained by the New Zealand Telecommunications Forum — the 3G shutdown explainer, alongside its public check service at 3gshutdown.co.nz.
- The 3G transition, and the point that 4G is not a like-for-like replacement especially for 111 calling, is documented by the Commerce Commission — New Zealand’s regulator.
- New Zealand’s roughly USD 5.89 average price per gigabyte is drawn from Cable.co.uk worldwide data pricing — the full country table.
- Plan prices, delivery methods and identification rules come from the operators: Spark Travel Packs, One NZ prepaid, 2degrees Unlimited Travel SIM and Skinny. Where possible the data comes from regulators and carriers directly, not aggregators summarizing New Zealand.
Third-party measurements only. The number you see will move with your handset, the band in play, and load on the local tower.
Sort your New Zealand eSIM before the long flight
Roami’s New Zealand eSIM hops between One NZ, Spark and 2degrees without you touching a setting. Sample it with the free New Zealand trial eSIM, then take 20% off New Zealand eSIM plans with code WEB20.
Introductory offer, new travellers
