Reliable mobile data supports payments, maps, translation, ride-hailing and ticket access. Choose connectivity before departure, install critical apps while your normal accounts work and keep offline backups for the first arrival hour.
Choose roaming, a travel eSIM or a local SIM
Roaming is simple but may cost more. A travel eSIM is convenient for compatible unlocked phones and is usually data-only. A local SIM can provide a mainland number useful for some services, but requires passport registration and an operator visit or supported sales channel.
Check the plan, not only the data headline
Compare the mainland network, coverage areas, activation trigger, validity period, hotspot support, speed-management terms, refund policy and customer support. Confirm whether the service routes data internationally and never promise access to a particular app without checking the provider's current terms.
Install and verify essential apps
Prepare one primary payment wallet, maps, translation, railway booking and ride-hailing before flying. Open each app, finish identity checks and confirm access to security messages. Save official Chinese names for hotels, stations and attractions.
Build an offline arrival folder
Store your first hotel address and phone number in Chinese, airport transfer plan, passport-linked bookings, insurance contacts and essential phrases. A screenshot remains usable if the eSIM activates late, airport Wi-Fi fails or an app requests a new login.
Official sources
Sources checked 17 August 2026. Reconfirm time-sensitive details before departure.
Frequently asked questions
Do I need an eSIM for China?
No. International roaming and local SIM cards are alternatives. Choose according to phone compatibility, cost, data use and whether you need a mainland phone number.
Should I install China travel apps before flying?
Yes. Downloads, identity checks and bank verification are easier while your normal internet, app store and phone number are available.
What should I save offline?
Save Chinese hotel and station details, booking references, transfer instructions, insurance contacts and a basic communication card.