China Travel Guide

China eSIM: The Complete Guide for New Zealand Travellers

From the Great Wall and the Forbidden City to Shanghai’s skyline, Chengdu’s pandas and the karst peaks of Guilin, China is an unforgettable trip for New Zealand travellers. A China eSIM gets you online the moment you land, and just as importantly, the right plan lets you keep using the apps you rely on back home, like Google, WhatsApp and Instagram, despite China’s well-known internet restrictions. This guide covers how it works, how the “Great Firewall” affects you, how much data you’ll need, whether your phone is compatible (there’s an important catch for phones bought in China), and exactly how to set everything up before you fly.

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Why you need data in China

Like anywhere, a lot of your trip runs through your phone, but China adds a twist that catches a lot of first-time visitors out: cash and foreign cards are barely used. You’ll pay for almost everything, from taxis and street food to metro gates and museum tickets, with a phone app, usually Alipay or WeChat Pay. Both now let overseas visitors link an international card, and both need a live data connection to work. Add maps, ride-hailing with DiDi, translating menus and signs, booking high-speed-rail tickets and keeping in touch with home, and a reliable connection from the moment you land becomes close to essential.

Public Wi-Fi exists in hotels and cafes, but it’s patchy on the move and often asks for a Chinese mobile number to log in, which most visitors don’t have. Having your own data sidesteps all of that.

Will Google, WhatsApp & Instagram work in China?

This is the question that matters most for China, so it’s worth being clear. China filters the international internet through a system widely known as the Great Firewall. On an ordinary local connection, a long list of everyday apps and sites are blocked, including Google (Search, Gmail and Maps), WhatsApp, Instagram, Facebook, YouTube and X. Buy a local Chinese SIM card and you’ll get fast data, but those apps stay blocked.

Here’s the part that works in your favour as a traveller: most travel eSIMs, including the majority of ours, use international routing. Your data connects through a mobile network outside mainland China, so to the firewall your phone looks like an international roaming visitor, and the apps that are normally blocked generally keep working, with no VPN required. It’s the same reason international roaming from your home carrier isn’t filtered: the traffic leaves China before it reaches the firewall.

Two honest caveats. First, routing can vary from plan to plan, and there are occasional edge cases, in a few cities or during politically sensitive dates, where a connection can briefly fall back to a mainland network and the firewall applies. The specifics for each plan are shown on its plan page. Second, if you want extra peace of mind, many travellers install a VPN as a backup, set it up at home before you fly, because you generally can’t download Western VPN apps once you’re inside China.

What is a China eSIM?

An eSIM (embedded SIM) is a digital SIM card built into most modern smartphones. Instead of slotting in a piece of plastic, you load a data plan onto your phone electronically, usually just by scanning a QR code. A China eSIM is simply a data plan that connects your phone to a network covering China while you’re there.

Because it’s digital, you can buy and install it from home in New Zealand, days or even weeks before your trip, and keep your existing NZ SIM in place at the same time. Your everyday number stays active for calls and texts, while the eSIM handles your data once you land. Most recent phones run two SIMs at once, so there’s no need to choose between them, and you skip the passport registration that China requires for local tourist SIMs bought in-country.

eSIM vs the alternatives (and why Kiwis choose eSIM)

There are a few ways to get online in China. Here’s how a travel eSIM compares for a New Zealand traveller:

• Roaming with your NZ provider. Roaming on your Spark, One NZ or 2degrees plan is convenient, and because it routes through your home carrier your usual apps will work, but it’s usually the most expensive option, often a daily fee that adds up fast over a one or two week trip. Always check your provider’s China roaming rates before assuming it’s the best deal.
• A local Chinese SIM. Data is cheap, but there are two big catches: you’ll need to register with your passport, and the connection runs through the Great Firewall, so Google, WhatsApp and Instagram stay blocked unless you add a VPN. For a visitor who wants their usual apps, it’s often the least convenient choice despite the low price.
• Pocket Wi-Fi rental. A rented hotspot works, but it’s another device to carry and keep charged, you have to collect and return it on time, and if it runs flat everyone sharing it is suddenly offline.
• A travel eSIM. Set up before you fly, nothing to collect or return, international routing that keeps your apps working, and you pay once, upfront, in NZD. For most travellers it’s the cleanest balance of cost and convenience.

How much data do you need for China?

How much data you need comes down to how you travel. The everyday things, maps, DiDi rides, messaging, translation and mobile payments, don’t use much. It’s streaming, video calls and hotspotting that move the needle. As a rough guide:

• Light use. Mostly maps, payments, messaging and the odd search. A smaller plan stretches a long way over a week or two.
• Moderate use. Daily navigation, social media, translation, photo uploads and the occasional video call home. This is where most travellers land, and a mid-size plan over one to two weeks is usually comfortable.
• Heavy use. Streaming on long train rides, hotspotting a laptop to work, daily video calls, or constantly sharing photos and stories. Lean towards a larger or unlimited plan.

A few ways to make your data go further: download offline maps before you go, save an offline translation pack, and use hotel Wi-Fi for big jobs like photo backups and app updates. One China-specific tip: Google Maps can be unreliable for navigation inside China (a long-standing Google data issue rather than a firewall one), so Apple Maps tends to be the better choice for getting around.

Our China plans come in a range of sizes and durations, so you can match one to your trip. See current China plans and pick the right size →

Will my phone work with a China eSIM?

To use an eSIM, your phone needs to be two things: eSIM-compatible and carrier-unlocked. Most phones released in the last few years support eSIM, including iPhone XR, XS and later, Google Pixel 3 and later, and Samsung Galaxy S20 and later, along with many other recent Android models.

One important China-specific catch. Phones bought in mainland China are often sold with two physical SIM slots and no eSIM support at all, even when the identical model supports eSIM everywhere else. This applies to most iPhones sold in mainland China (their model numbers end in “CH/A”) and to some China-market Android phones. China only opened up phone eSIM in late 2025, so the current exceptions are the newest iPhone Air and iPhone 17e. If your handset was bought in mainland China, check carefully before buying a plan, and if it doesn’t support eSIM, use a physical travel SIM or pocket Wi-Fi instead.

Two quick checks before you buy:

• Is it eSIM-capable? On iPhone, open Settings > General > About and look for an “Available SIM” or EID entry, or Settings > Cellular for an “Add eSIM” option. On Android, dial *#06# and look for an EID number, or check your SIM manager in Settings.
• Is it unlocked? If you bought your phone outright or it’s out of contract, it’s almost certainly unlocked. If you’re not sure, a quick message to your provider will confirm it.

How to set up your China eSIM

The whole process takes just a few minutes, and you can do most of it from home:

Tip: Install before you fly. As well as being one less thing to do on arrival, you generally can’t buy and download a new travel eSIM once you’re already inside China.

When does my eSIM start? (Installing vs activating)

This trips people up, so it’s worth being clear: installing your eSIM and starting your data are two different things. Installing simply loads the eSIM onto your phone, and it’s safe to do this the moment you receive it, well before you leave New Zealand.

Your plan’s data allowance and validity period generally don’t start counting down until the eSIM connects to a network in China. So you can set everything up in advance without “using up” your plan early, then simply arrive and connect. The exact activation terms for any specific plan are shown on that plan’s page and in your confirmation email.

Coverage & getting around

Coverage itself is rarely the issue in China, the country has excellent, near-universal 4G and extensive 5G, including on city metros and along the high-speed-rail network. The real consideration is the firewall, which international routing handles, as covered above. Here’s what to expect:

• Major cities. Beijing, Shanghai, Guangzhou, Shenzhen, Chengdu and Xi’an all have excellent 4G and 5G, including underground on the metro.
• High-speed rail and between cities. Strong coverage along the main rail corridors, so you can stay online on long journeys.
• Remote and rural areas. The far west, mountains and deep countryside can be patchy on any network. If you’re heading somewhere remote, download offline maps before you set off.

A few ways your data really earns its keep in China:

• Paying for things. Alipay and WeChat Pay run almost everything, from street stalls to metro gates, and both need data to work.
• Getting around. DiDi (China’s main ride-hailing app, with an English option) works over your eSIM, and Apple Maps is the more reliable choice for navigation.
• Reading the menu. Point a translation app at a Chinese menu or sign and read it instantly.
• Staying in touch. Keep talking to home over WhatsApp, WeChat or FaceTime wherever you are.

Frequently asked questions