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You can set your phone to update apps automatically so you always have the newest versions installed.
1. Find "Auto-update apps"
Press Play Store.
Slide your finger right starting from the left side of the screen.
Press Auto-update apps.
2. Turn automatic update of apps on or off
Press Do not auto-update apps to turn off the function.
Press Auto-update apps over Wi-Fi only to turn on the function.
3. Return to the home screen
Press the Home key to return to the home screen.