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, tap Apps > 0 Settings.
2.Tap Device maintenance > Memory.•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.
Settings | 129 | Device Maintenance |