Internet in China for Tourists: SIM, eSIM, Wi-Fi and Roaming (2026)
Internet in China for tourists is easiest when you arrange a primary connection before departure and keep one independent backup. The practical choice is not simply “SIM or eSIM”: you also need to decide whether you require a Chinese phone number, whether your handset is unlocked, and how you will receive security codes sent to your home number.
This guide compares international roaming, travel eSIMs, local SIM cards and Wi-Fi, then shows a setup that works for most short visits.
Quick answer
For most short-term visitors, the easiest setup is a travel eSIM for data plus an active home SIM for security messages. Choose roaming if simplicity matters more than price, or a local physical SIM if you need a mainland Chinese number.
Contents
- Quick recommendation
- International roaming
- Travel eSIMs
- Local SIM cards
- Wi-Fi and app availability
- Arrival checklist
- Common problems
- FAQ
Quick recommendation
- Short trip and maximum simplicity: use a roaming package from your home carrier.
- Short trip and lower data cost: install a reputable travel eSIM before departure and keep your home SIM active.
- Longer stay or need for a Chinese number: buy a local SIM from an official operator outlet with your passport.
- Best fallback: keep two independent options, such as an eSIM plus your home SIM or a local SIM plus limited roaming.
Option 1: International roaming
Roaming keeps your existing number active and requires the least setup. It is useful when banks, airlines or email accounts send verification codes to that number. The trade-off is price: pay-as-you-go roaming can be expensive, and “unlimited” packages may reduce speed after a data threshold.
Before departure, confirm mainland China coverage, daily or monthly fees, high-speed data allowance, tethering rules and the time zone used for each billing day. Turn off automatic photo backups and app updates if the allowance is small. Save the carrier’s support number offline.
Option 2: A travel eSIM
A travel eSIM can be purchased and installed before the flight. Most are data-only: they do not provide an ordinary Chinese number and cannot receive standard voice calls or SMS. That is usually fine for maps, translation, ride-hailing and mobile payments, but it may not satisfy a service that specifically requests a mainland number.
Check four things before paying:
- the phone is carrier-unlocked and supports eSIM;
- the plan explicitly covers mainland China, not only Hong Kong or Macao;
- the validity period begins when you expect—some start at installation, others at first network connection;
- tethering, top-ups and speed limits match your needs.
Install the profile while you still have reliable Wi-Fi, but follow the provider’s instructions about when to switch it on. Keep the QR code and manual activation details somewhere other than the phone being configured.
What about a local Chinese eSIM?
China’s domestic operators began expanding phone eSIM services in 2025, but device certification, city availability and activation procedures can vary. A travel eSIM sold abroad and a local carrier eSIM are different products. Do not assume that an eSIM-only handset can obtain a local Chinese number immediately. Check the operator’s current compatibility list and the intended city before relying on this option.
Option 3: A local physical SIM card
A local SIM provides a mainland Chinese number and can be useful for a longer stay, frequent local calls or services that prefer a local number. Chinese government guidance says foreign nationals can take a passport or Foreign Permanent Resident ID Card to service offices of China Mobile, China Unicom or China Telecom to apply for a SIM and activate service.
Use an official operator outlet rather than an unidentified reseller. Not every small branch routinely handles foreign passports, so a large company-owned store or an airport service counter is often easier. Ask the accommodation desk to help locate one if necessary.
What to ask at the store
- Is the plan prepaid, monthly or automatically renewing?
- How much full-speed data is included?
- What happens after the allowance is used?
- Can the plan receive SMS and make local calls?
- How do you top up, check the balance and cancel?
- Will service remain active after you leave China?
Bring the original passport and the phone. Confirm that the device supports the operator’s network bands and is not locked to your home carrier. After activation, test a call, SMS and mobile data before leaving the store.
Why keeping your home number matters
Many travelers use a travel or local SIM for data while leaving the home SIM enabled only for incoming security messages. On a dual-SIM phone, set the China plan as the mobile-data line and disable data roaming on the home line unless you intentionally bought a roaming package.
Incoming SMS abroad may be free or chargeable depending on the carrier. Confirm this in advance. Also check whether your bank blocks account changes from a new device or requires app-based approval instead of SMS.
Public, airport and hotel Wi-Fi
Wi-Fi is a useful backup, not a complete connectivity plan. Some networks require a mobile number or SMS code, and reception can be poor outside the lobby. Ask staff for the exact network name to avoid look-alike hotspots.
Avoid sensitive account changes on open networks. Use encrypted websites and your institution’s approved security tools when accessing work systems. Download travel documents and emergency information so they remain available when no network works.
Internet access and app availability
Some overseas websites, messaging platforms, map services and cloud tools may work differently or may not be directly available on mainland networks. Availability can also differ between roaming, travel eSIM and local connections. Test every essential service before departure and prepare an approved alternative for communication, navigation and document access.
Do not depend on a single cloud drive for tickets or hotel addresses. Save copies locally. Download offline language data and map areas where the app supports them.
How much data do you need?
- Light use: messaging, maps and payment apps consume relatively little data.
- Moderate use: frequent navigation, social media and video calls require a larger allowance.
- Heavy use: video streaming, hotspot use and cloud backups can exhaust a small plan quickly.
Instead of guessing from the advertised total, check whether the plan has a daily high-speed cap or reduces speed after a threshold. Hotel Wi-Fi can handle large app updates, but complete critical downloads before travel.
7ers Tip: Install the primary data option before flying, but do not delete the activation QR code or instructions. A screenshot stored offline can save a long support call after landing.
Arrival checklist
- Install or activate the primary data plan before departure where possible.
- Keep the home number available for account verification.
- Save a backup activation method, carrier support details and hotel address offline.
- On arrival, test mobile data, maps, translation and payment apps before leaving the airport or hotel.
- Carry a charging cable and a compliant power bank.
For most short-term visitors, a travel eSIM plus an active home SIM is a practical balance. Roaming is simpler if cost is acceptable. A local SIM becomes more useful when you need a Chinese number or will stay longer.
Common problems
The eSIM shows signal but data does not work
Confirm that the eSIM is selected for mobile data, data roaming is enabled for that profile if the provider requires it, and the APN matches the instructions. Restart the phone after changing settings.
The local SIM cannot be activated
Visit an official outlet with the original passport. Ask whether that branch can process foreign identification and whether the handset supports its network.
An app does not send a verification code
Check which SIM is receiving SMS, confirm the country code and wait before repeated attempts. Use the app’s alternative verification method or official support channel when available.
Frequently asked questions
Will a travel eSIM give me a Chinese phone number?
Usually not. Most travel eSIMs are data-only. Check the product description before buying if a mainland number is essential.
Can I rely only on hotel Wi-Fi?
It is risky. Some networks require SMS verification, and coverage may be limited outside the lobby. Keep a mobile-data option for navigation and payments.
Should I turn off my home SIM?
Not necessarily. Keeping it active for incoming security messages can be useful, but disable data roaming on that line unless you have intentionally purchased a roaming package.
Do I need my passport to buy a local SIM?
Yes. Use an official operator outlet and bring the original passport. Procedures and compatible plans can vary by branch.
Official sources
- Chinese government: Guide to Working and Living in China
- Shanghai government: setting up mobile services
- Shanghai government: phone eSIM service rollout
Reviewed and updated: 1 August 2026. Plans, device support and service availability change; verify details with the relevant carrier before purchase. See the 7ers Editorial Policy.
