How to Get Internet in China

Before buying anything, decide what you actually need. A travel eSIM or roaming is best for instant data and often works well for overseas apps. A local SIM is best when you need a mainland Chinese phone number for SMS verification, delivery calls, local accounts, and longer stays. VPN is a separate access layer for overseas services when you are using local networks.

User-reported pattern: many visitors buy only eSIM and later discover they still need a China number for Wi-Fi login, delivery, or local app verification.

Do the hard setup while your normal internet still works. Confirm your phone is unlocked. Check eSIM support. Turn on or understand roaming for your home SIM. Install the eSIM but do not activate it too early if the plan starts on activation. Download and pay for VPN before China if you need it. Save offline maps, your hotel address in Chinese, and key booking screenshots.

Manual check: eSIM activation timing varies by provider, so the user must follow the provider's exact instructions.

For a tourist trip, eSIM or home roaming is usually the fastest way to land with data. Turn on the correct data line, enable data roaming for the eSIM/roaming plan if required, and test maps, translation, hotel messages, and payment apps. Many internationally routed eSIM/roaming products can access overseas services more easily than a mainland local SIM, but performance and routing vary by provider.

User-reported only: many Reddit travelers say eSIM data works for Google/WhatsApp without VPN, but results vary by provider and plan.

A local SIM is useful for delivery calls, ride-hailing contact, some local app registrations, Wi-Fi SMS login, longer stays, school, work, and local customer service. Official city and government guidance says foreigners can bring a passport or Foreign Permanent Resident ID Card to telecom operator service offices such as China Mobile, China Unicom, or China Telecom to apply for a SIM card and activate mobile services. Test data, calls, SMS, and your number before leaving the counter.

Officially supported, but store experience varies. Larger city stores and airport service counters are often easier for foreigners.

If you use local SIM data, hotel Wi-Fi, office Wi-Fi, or cafe Wi-Fi, some overseas apps and websites may not load without a VPN or other approved company access method. Install and test VPN before arrival because provider sites and app stores may be harder to reach later. Keep in mind that VPN reliability changes, especially around major events or network changes.

We should not promise a specific VPN will always work. Treat VPN choice as a current, user-tested topic that needs frequent review.

Airport, hotel, mall, cafe, and restaurant Wi-Fi can help in a pinch, but it is not reliable enough as your only plan. Many public Wi-Fi systems ask for an SMS code, and some require a mainland China phone number or hotel-room verification. If you arrive without data, ask the airport information desk or hotel front desk for help getting online long enough to buy data or contact your pickup.

Useful backup, but not enough for first-time visitors who need maps, translation, payments, and taxi pickup.

If internet does not work, check the selected data line, data roaming toggle, plan activation, APN/profile, airplane mode restart, VPN on/off state, and whether the local SIM was fully activated. Test with a simple map search or local website after each change. If a local SIM still fails, return to the official carrier counter before leaving the airport or city center.

This prevents the common spiral of toggling everything and losing track of what actually fixed the connection.