BEFORE-YOU-FLY KNOWLEDGE BASE

China internet, without the airport panic.

Practical, source-backed answers for the phone, laptop and international apps you will actually rely on during a China trip.

Internet in China for Travelers: 2026 Guide

Compare international roaming, travel eSIMs, hotel Wi-Fi, local SIMs and a prepared access service before you fly.

Check carrier coverage, daily-pass triggers, app routing, hotspot use and the hotel-Wi-Fi gap before relying on roaming.

Follow one timeline for mobile data, hotel Wi-Fi, phone, laptop, account recovery and a real pre-flight test.

A reproducible OONI measurement snapshot for Google, Gmail, WhatsApp, Instagram, Slack and Microsoft Teams.

Save or print the two-page diagnostic card before flying, so the fix does not depend on the app that stopped loading.

A printable two-page checklist for overseas buyers bringing phones, laptops, supplier files and international work apps to Guangzhou.

Protect Gmail, Zoom, Slack, Teams, cloud files and laptop access as one business-continuity plan.

Understand what can fail and prepare account recovery, email and files before departure.

Why full Wi-Fi bars do not guarantee access to the international apps you need.

Check tethering, overseas routing, hotel Wi-Fi and the laptop gap before buying.

Choose the right combination of mobile data, global-app access, laptop coverage and support.

Diagnose the base connection, hotel login, route and device in the right order before reinstalling.

Prepare Search, Gmail, Maps, Drive, Calendar, Meet and account recovery before departure.