小知识 iPhone (iOS) Airplane mode
When you enable airplane mode from the Settings screen, an airplane icon () appears in the status bar at the top of the screen and the following wireless connections and services are turned off:
- Cellular (voice and data)
- Location services
If allowed by the aircraft operator and applicable laws and regulations, you can re-enable Wi-Fi and Bluetooth while in airplane mode:
- Wi-Fi: While airplane mode is on, tap Settings > Wi-Fi, then turn Wi-Fi on and choose a Wi-Fi network.
- Bluetooth: While airplane mode is on, tap Settings > Bluetooth, then turn Bluetooth on.
来源： Apple 网
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