Sony Xperia SM13 User Manual page 41

Note
All content on the memory card gets erased when you format it. Make sure you first make
backups of all data that you want to save. To back up your content, you can copy it to a
computer. For more information, see
page 43.
Smart cleaner
Smart cleaner improves the device's performance by automatically optimizing
storage and memory based on app usage.
To enable or disable Smart cleaner
1 Find and tap Settings > Xperia Assist.
2 Tap Smart cleaner, then tap the switch to enable or disable the function.
Note
You can also modify, copy or delete files manually if you find and tap the Files application.
Backing up and transferring data using a computer on
41
Internet version. For personal use only.