When the News Suite app (Former name: Socialife) is preinstalled on Xperia, occasionally the user will be unable to uninstall the app.
When encountering this issue, please use the following steps to render the app “disabled”.
1. Open the [Settings] menu in Xperia
2. Select [Applications]
3. Swipe to select “News Suite (or Socialife)” from [All applications] list.
4. Select [Disable] and tap “OK”