Automatic app update is turned on

My phone's battery life is short

1
Find "iTunes & App Store"
- Press Settings.
- Press iTunes & App Store.
2
Turn automatic update of apps on or off
- Press the indicator next to "App Updates" to turn the function on or off.
  If you turn on automatic update, your apps are automatically updated via Wi-Fi.
3
Turn automatic update of apps via mobile network on or off
- Press the indicator next to "Automatic Downloads" to turn the function on or off.
  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.
4
Return to the home screen
- Press the Home key to return to the home screen.

Did this solve your problem?

1
Find "iTunes & App Store"
- Press Settings.
- Press iTunes & App Store.
2
Turn automatic update of apps on or off
- Press the indicator next to "App Updates" to turn the function on or off.
  If you turn on automatic update, your apps are automatically updated via Wi-Fi.
3
Turn automatic update of apps via mobile network on or off
- Press the indicator next to "Automatic Downloads" to turn the function on or off.
  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.
4
Return to the home screen
- Press the Home key to return to the home screen.