Use your phone in flight mode
In places where you don't want to make or receive calls, you may still access your music, videos, and offline games if you switch flight mode on.
Select > , then switch flight mode to On .
When flight mode is switched on, your connection to the mobile network is closed. All radio frequency signals between the phone and the mobile network are prevented.
When flight mode is switched on, you can still connect to a Wi-Fi network to, for example, read your mail or browse the internet. You can also use Bluetooth.
Switch the phone off when mobile phone use is not allowed or when it may cause interference or danger. Remember to comply with any applicable safety requirements.