Settings97BatteryOn the Settings screen, tap Smart Manager → Battery.Check the remaining battery power and time to use the device. For devices with low batterylevels, conserve battery power by activating power saving features.• 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 cannot receive notifications from apps that use power saving mode.Managing the batteryTo save battery power by setting whether to optimise the battery usage for each app, tapDETAIL for the app power saving and tap the App power saving switch to activate it.StorageCheck the status of the used and available memory.On the Settings screen, tap Smart Manager → Storage.Managing the memoryTo delete residual files, such as cache, tap DELETE. To delete files or uninstall apps that youdo not use any more, tap DETAIL for the user data and select a category. Then, tick items toselect and tap DELETE or UNINSTALL.RAMOn the Settings screen, tap Smart Manager → RAM.To speed up your device by reducing the amount of RAM you are using, tap END ALL to closeall background apps.