Settings > General Settings; Flight Mode; Gps; Mobile Networks - Telstra Flip 2 T21 User Manual

Settings > General Settings

Flight mode

In areas where the use of mobile devices is restricted, you can activate the Flight mode to
disable phone function but still use other functions of your phone such as calendar, music
and games. You will not be able to make/answer calls, send/receive messages in Flight
mode.
Open the main menu the go to Settings > General settings > Flight mode or press and hold
the Power key, then select Flight mode.

GPS

Mobile Networks

Display

Touch Settings > Display.
Brightness level: Adjust the brightness of the screen.
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