SettingsAdvanced featuresOptionsActivate advanced features and change the settings that control them.On the Settings screen, tap Advanced features.Excessive shaking or impact to the device may cause unintended input for somefeatures.• Games: Activate the Game Launcher and Game Tools icon and change the game-relatedsettings. Refer to Game Launcherfor more information.• Caller ID and spam protection: Set the device to identify unsaved phone numbers whenyou receive incoming calls or messages.This feature may not be available depending on the region or service provider.• One-handed mode: Activate one-handed operation mode for your convenience whenusing the device with one hand.• Quick launch Camera: Set the device to launch the camera by pressing the Home keytwice quickly.• Multi window: Select a Multi window launch method.• Smart alert: Set the device to alert you if you have missed calls or new messages whenyou pick up the device.This feature may not work if the screen is turned on or the device is not on a flatsurface.• Easy mute: Set the device to mute incoming calls or alarms by facing the device’s screendownwards.• Swipe to call or send messages: Set the device to make a call or send a message whenyou drag a contact to the left or right in the contacts list.• Dual Messenger: Select messaging apps to use a second app. You can use two differentaccounts for the same app.If you disable or uninstall the main messaging app, the second app will be deletedautomatically.111