Samsung Tablet Galaxy A8 Tab

Warning: Unmount the card before removing it to prevent damage to information.

Go to Settings, tap Battery and device care > Storage > More options > Advanced.

Tap your SD card, and then tap Unmount.

Remove your memory card from the device.

Sign off on the memory card removal

From Settings, tap Battery and device care > Battery for the following options:

Usage since last full charge: View your recent battery usage by time, app, and service.

Power saving mode: 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.

More battery settings: Configure additional battery settings and notifications.

Sign off on the battery maintenance