Many people were disappointed upon updating to Update 3, many of us thought that it would bring the third column of Tiles on the Start Screen. Please make this feature available to all Windows Phone 8+ devices on a future update. Vote if you want this feature!
Start Screen Third (3rd) Column of Tiles to all Windows Phone devices – Feature Suggestions for Windows Phone
Start Screen Third (3rd) Column of Tiles to all Windows Phone devices – Feature Suggestions for Windows Phone