First screenshots of the Notification Center for Windows Phone 8.1 reveal new design | Windows Phone Central With 8.1 update and Action Center, Windows Phone users will finally have a notifications hub - Tech2 Gorman, Michael (2014-02-19).
ZDNet.  ^ First screenshots of the Notification Center for Windows Phone 8.1 reveal new design | Windows Phone Central ^ With 8.1 update and Action Center, Windows Phone users will finally have a notifications hub - Tech2 ^ Gorman, Michael (ngày 19 tháng 2 năm 2014).