Data access is the difference between a smooth Shenzhen visit and a frustrating one. Set up connectivity before you rely on maps, payments or translation.
eSIM vs local SIM
A travel eSIM that covers mainland China is the simplest option for short visits. Install and test it before departure. A local SIM from China Unicom or China Mobile gives you a Chinese phone number, which some apps require.
SIM registration requires your passport. Airport counters are convenient but can be busy at peak arrival times.
VPN decision
Many international services are unavailable without a VPN in mainland China. VPN apps cannot be downloaded from inside China, so subscribe and install before you fly.
Test the connection on every device you plan to use. Keep a backup plan for maps and messaging.
Apps to install before arrival
These cover payments, transport, translation and messaging.
- Alipay — payments and metro QR codes
- WeChat — messaging and merchant payments
- A translation app with offline Chinese support
- DiDi or your tour operator's contact channel
- Your VPN and eSIM management app
WiFi realities
Hotel WiFi is common but speeds vary. Airport WiFi may require a Chinese phone number for verification. Do not rely on public WiFi for payment authentication.