Settings124Using the auto optimisation featureYou can set the device to perform auto optimisation when your device is not in use. Tap →Auto optimisation and tap the switch to activate it. If you want to set the time to performauto optimisation, tap Time.BatteryCheck the remaining battery power and time to use the device. For devices with low batterylevels, conserve battery power by activating power saving features.On the Settings screen, tap Device care → Battery.• The usage time left shows the time remaining before the battery power runsout. Usage time left may vary depending on your device settings and operatingconditions.• You may not receive notifications from some apps that use power saving mode.Power modeSelect a power mode that suits your device usage purposes.Tap Power mode and select an option.• Optimised: Optimised for a balance between the device’s performance and batteryusage.• Medium power saving: Activate power saving mode to extend the battery’s usage time.• Maximum power saving► SM-T515, SM-T517: In maximum power saving mode, the device decreases batteryconsumption by activating night mode and limiting the apps and features available.Network connections, except for the mobile network, will be deactivated.► SM-T510: In maximum power saving mode, the device decreases batteryconsumption by activating night mode and limiting the apps and features available.Network connections will be deactivated.
