Install the right client, then import your key.
Inside China, setup is not just "download a VPN app." App stores, APK sources, and captive networks can block the normal path. These guides cover the device-specific route.
Device setup
Choose the device you will use first.
iPhone setup in China
International Apple ID, Happ vs Shadowrocket, and what to do when VPN apps are missing.
Android setup in China
Happ APK, Google Play limitations, Huawei/Xiaomi/Samsung install paths, and key import.
Happ setup guide
Download links, QR path, subscription import, and what Happ does with an IT CRP key.
Account dashboard
Open your key, upgrade path, billing, and support after signup.
Network-specific help
If the app is installed but connection fails, the network type usually explains it.