As we have seen in these days, except Nokia with their Nokia 610 Lumia , other OEMs such as Samsung and HTC have stated that they will not bring new smartphones until the official release of Windows Phone 8 Apollo
Now the latest rumors are that Sony will release Windows Phone devices later this year with WP8 Apolo.In the past we always talked about some suspected prototypes but never any official information about it.
More info at Tweakers.net
Via WPCentral