Airplane mode: Disables connectivity, including Bluetooth, Wi-Fi, LTE, and GPS/GNSS. You can turn them back on individually, or turn off Airplane mode again to turn them all back on. Theater mode: Temporarily turns off your screen and suspends notifications and incoming calls. Do not disturb: Disables all notifications and incoming calls, but you can usually set exceptions for repeat callers, specific contacts, and alarms. bedtime mode: Generally mirrors Do Not Disturb by disabling all notifications and incoming calls except repeat calls, specific contacts, and alarms. WithStandby on an Apple Watch, the screen also dims and shows a simplified watch face. Change display settings The screen is the biggest drain on…