How to Type Chinese Characters on Any System
1. Going to: Settings > General > Keyboard > Keyboards
2. Click: “Add New Keyboard…”
3. Click: “Chinese (Simplified)”
4. Click: Either “Pinyin - QWERTY” or “Pinyin - 10 Key”
5. Go to anywhere where you can type and press and hold the world button on the keyboard to switch to the Chinese keyboard.