LG X screen Instruction Manual page 246

Memory
You can view the average amount of memory usage over a certain period of time and
the memory occupied by an app.
1 On the settings screen, tap General Memory.
2
Tap to set a time slot to retrieve data.
Apps
You can view a list of installed apps. Shut down or delete apps, if necessary.
1
On the settings screen, tap General Apps.
2
Select an app and perform actions.
Phone Settings
106