Samsung Galaxy S8 - Manual (Page 173)

Settings 166
Format a Memory Card
Warning: When formatting an SD card, you should back
up your music and photo files that are stored on the
card because formatting the SD card deletes all the
stored data.
1. From a Home screen, swipe up to access Apps.
2. Tap Settings > Device maintenance > Storage.
3. Tap More options > Storage settings.
4. Under Portable storage, tap your SD card, tap
Format, and then follow the prompts.
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.
1. From a Home screen, swipe up to access Apps.
2. Tap Settings > Device maintenance > Memory.
•
The used and available memory are shown.
3. To free up as much memory as possible, tap
Clean now and follow the prompts.
•
The selected apps and services in the list will be
closed.