Settings
Battery
View how battery power is used for your various device activities.
◌From Settings, tap 
Battery and device care > Battery for the following options:
•Power saving: Save battery life by limiting background network usage, syncing, and location checking. Choose from additional power saving options to save more power when this mode is enabled.
•Background usage limits: View apps that you don’t use often and limit their battery usage. To disable this feature, tap Put unused apps to sleep.
•Usage since last full charge: View your recent battery usage by time, app, and service.
•Wireless power sharing: Enable wireless charging of supported devices with your device’s battery.
•More battery settings: Configure additional battery settings and notifications.
Storage
View your storage capacity and detailed usage by category and file type.
◌From Settings, tap 
Battery and device care > Storage.
•Tap a category to view and manage files.
Memory
Check the amount of available memory. You can close background apps and reduce the amount of memory you are using to speed up your device.
◌From Settings, tap 
Battery and device care > Memory. The used and available memory are shown.
•Tap Clean now to free up as much memory as possible.
•Tap View more to view the full list of apps and services using memory. Tap 
to include or exclude these apps and services.
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