How to Get an eSIM in China (2026 Internet Guide)

How to get an eSIM for China

1. Check that your exact phone model supports eSIM and is not locked to your home carrier.
2. Compare provider plans that explicitly include mainland China, the trip dates, data allowance, network coverage, hotspot rules, and support channel you need.
3. Confirm whether the plan is data-only and whether it supports the international services you rely on; do not infer either point from the word eSIM.
4. Buy and install the plan on reliable Wi-Fi before departure, then save its QR code, order number, APN details, and setup instructions offline.
5. After landing, enable the travel line and any provider-required data roaming, select it for mobile data, and test maps, messaging, and a normal website.

Choose between a travel eSIM, roaming, and a local SIM

• Travel eSIM: convenient for an unlocked, compatible phone; usually data-only and installed before arrival.
• Home-carrier roaming: often the easiest option for a short trip, but check the daily price, data allowance, and whether international services work before relying on it.
• Mainland local SIM: can provide a Chinese phone number, but purchase and registration requirements differ and ordinary local internet access remains subject to mainland restrictions.
• There is no single best option for everyone. Compare total cost, local-number needs, coverage, hotspot support, and access to the services you actually use.

Travel eSIM versus mainland carrier eSIM

• An international travel eSIM and a mainland carrier eSIM are separate products. Check mainland China coverage, whether the travel plan is data-only, and when its validity starts.
• For a mainland carrier eSIM, Apple requires an eligible iPhone model and a visit to a carrier store. Apple says an iPhone purchased outside mainland China cannot use an eSIM from a mainland carrier. A travel eSIM from an international provider follows that provider’s compatibility and activation rules instead.
• iPhone eSIM capability can differ by exact model and country of purchase. Check Apple’s current model guidance before paying for a non-refundable plan.

Check these details before buying an eSIM

• Your phone supports eSIM and is carrier-unlocked. On iPhone, Carrier Lock should show No SIM Restrictions.
• The plan explicitly covers mainland China, not only Hong Kong or Macao.
• When validity begins: at purchase, installation, or first connection to a supported network.
• Whether the plan is data-only or includes calls, SMS, or a phone number.
• The high-speed data allowance, fair-use or throttling rules, hotspot support, top-up options, and refund policy.
• Whether the provider explicitly says that your required international apps work on that exact plan. Do not infer this from the word eSIM alone.

Install it before your flight

1. Buy the plan from a provider you can contact if setup fails, then save the order number and support channel.
2. Connect to reliable Wi-Fi and install the eSIM using the provider app, QR code, or manual activation details.
3. Label the new line China Travel so you do not confuse it with your home SIM.
4. Keep the QR code or manual installation details available on another device or offline document.
5. Follow the provider's instructions about whether to leave the line off until arrival. Installation and plan activation are not always the same event.
6. Do not delete an installed eSIM while troubleshooting unless the provider tells you to; some activation codes can be used only once.

Settings to use after landing

1. Turn on the travel eSIM line and select it as the cellular or mobile data line.
2. Enable data roaming for the travel eSIM if your provider requires it; most international travel plans connect through roaming partners.
3. Turn off data roaming for your home line and disable cellular data switching to reduce the risk of unexpected charges.
4. Wait several minutes for network registration, then test a normal website, your map app, and your messaging app.
5. Keep your home line active only if you need calls or verification SMS, and check what your home carrier charges for receiving or answering them abroad.

Internet access in mainland China

• Ordinary mainland mobile networks and Wi-Fi are subject to local internet controls. Google, Facebook, YouTube, X, and some other services are blocked or restricted.
• Some international roaming and travel eSIM plans route data outside mainland China, but this is provider- and plan-specific. Confirm the claim on the exact product page and keep a backup.
• A travel eSIM is not automatically a VPN. Do not advertise or assume unrestricted access unless the provider explicitly supports it.
• If you consider a VPN or similar service, check current rules. UK travel advice notes that online services such as VPNs need to be licensed by the Chinese government.
• Download essential local apps, offline maps, hotel addresses, tickets, and translation phrases before departure even if your plan promises international access.

Wondering whether Google Maps works here? See my Google Maps vs Amap test in China.

How much data should you buy?

• Light use: messaging, payments, maps, and occasional browsing may fit within roughly 3–5 GB for a short trip.
• Typical use: frequent maps, social posting, translation, and ride-hailing often justify around 10 GB for one to two weeks.
• Heavy use: video, hotspot sharing, cloud photo backup, and frequent calls can require 20 GB or more.
• Turn off automatic photo backup, app updates, and high-resolution video on cellular data if your allowance is limited.
• Unlimited plans may reduce speed after a daily or total threshold, so read the fair-use terms rather than relying on the word unlimited.

If the eSIM has no signal or data

1. Confirm the eSIM line is turned on and selected for mobile data.
2. Check that data roaming is enabled on the travel line and disabled on the home line.
3. Toggle airplane mode for about 30 seconds, then restart the phone if needed.
4. Use automatic network selection first; choose a partner network manually only if the provider lists one.
5. Check the provider's APN instructions, activation status, validity dates, and remaining high-speed data.
6. Contact the eSIM provider on airport or hotel Wi-Fi before deleting the plan.

Keep an offline backup

• Screenshot your hotel name, address, and phone number in Chinese.
• Save flight and train details, your first airport transfer, and emergency contacts offline.
• Download an offline translation pack and the map area for your first destination.
• Keep a payment card, some RMB cash, and key Chinese phrases available in case both data and QR payments are temporarily unavailable.