Settings106Using the quick optimization featureOn the Settings screen, tap Device maintenance → FIX NOW or OPTIMIZE NOW.The quick optimization feature improves device performance through the following actions.• Clearing some memory.• Deleting unnecessary files and closing apps running in the background.• Managing abnormal battery usage.• Scanning for malware.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 maintenance → Battery.• The available options may vary depending on the region or service provider.• 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 batteryYou can save battery power by preventing apps that are running in the background fromusing battery power when they are not being used. Tick apps from the apps list and tap SAVEPOWER. Also, tap → Advanced settings, and set the App power monitor options.