Connectivity

Choose the number first, then the data.

The key question is not simply “Do I need an eSIM?” It is whether you must keep your home number, need a mainland Chinese number, or only need data.

Last reviewed 18 July 2026

Three workable setups

A clear trade-off.

International roaming: Best for: Your usual number stays active, so bank and account verification messages are simplest.
Watch for: Often the most expensive; check data limits and China coverage with your carrier.
Travel data eSIM: Best for: Fast to buy before departure and convenient for short stays on a compatible unlocked phone.
Watch for: Many plans are data-only. They do not automatically provide a mainland Chinese phone number for SMS or calls.
Local SIM or local eSIM: Best for: A mainland number can help with services that require local SMS and may suit a longer stay.
Watch for: Passport registration and device compatibility apply. Local eSIM support is still device- and operator-specific.

Decision shortcut

Keep a verification path.

For a short first trip: keeping your home number available for SMS plus a travel data plan is often the least disruptive combination. Check roaming charges before turning data roaming on.

If a service specifically requires a mainland number, data alone will not solve it. A local operator can register a SIM using a foreign passport, but store support and device compatibility vary.

This guide does not provide instructions for bypassing network regulation. Service access can depend on the carrier and plan.

Official reading

Check device and operator support

Shanghai eSIM service update Foreign-passport SIM service in Hongqiao 2026 Pudong airport short-term SIM services

Common questions

Quick answers

Does a travel eSIM give me a Chinese number?

Not necessarily. Many travel eSIMs are data-only. Check the product details for an included mainland phone number and SMS capability.

Can I keep my normal SIM active?

Often yes on dual-SIM phones. Confirm your device supports the combination, and disable costly data roaming if your home plan does not include China.

Can I buy a local SIM with a passport?

Current official Shanghai service pages say foreign passports can be used at staffed service points, including short-term SIM service at Pudong airport. Plans, devices, and counter hours can change, so confirm at the specific counter.

Source & review record

What this guide is based on

Field check — an operational detail still needs confirmation

Last reviewed 18 July 2026

Official sources

Shanghai eSIM service update Foreign-passport SIM service Pudong airport short-term SIM services

Field notes to verify

Confirm device compatibility, roaming price, counter hours, phone-number inclusion, and SMS support with the selected provider.

Related guides

This comparison does not recommend bypassing network regulation. Carrier terms, device compatibility, registration rules, and current law prevail.

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