Samsung galaxy note 7 User Manual page 64

Set Automatic App Updates
1. From home, tap Apps
2. Tap Menu > My apps & games.
3. Tap the app you want to set for auto-update, and then tap Menu
 The app is set to update automatically whenever an update becomes available.
Note: Automatic updates are unavailable for some apps.
Basic Operations
> Play Store
.
> Auto-update.
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