1 Find "Settings"
Slide your finger upwards starting from the bottom of the screen.
Press Play Store.
Slide your finger right starting from the left side of the screen.
2 Turn automatic update of apps on or off
Press Auto-update apps.
To turn off automatic update of apps, press Do not auto-update apps..
To turn on automatic update of apps using mobile network, press Auto-update apps at any time. Data charges may apply..
If you turn on automatic update of apps via mobile network, your apps are automatically updated via the mobile network when no Wi-Fi networks are within range.
To turn on automatic update of apps using Wi-Fi, press Auto-update apps over Wi-Fi only..
3 Return to the home screen
Press the Home key to return to the home screen.