EA and DICE have announced that you can upgrade to the Xbox One or PS4 version of the game for as cheap as $10 when they release. Allowing you to carry over all progress/unlocks/stats into the next generation.
The open beta has also been announced. You’ll be able to play the Siege of Shanghai map in Conquest Mode or Domination Mode. You can get access in these four ways.
Pre-order the Battlefield 4 Digital Deluxe Edition
October 1*
Battlefield 3 Premium member
October 1*
Registered owner of Medal of Honor Warfighter Limited Edition or Digital Deluxe Edition
October 1*
Open to all Xbox 360, PlayStation 3 and PC players. Download from Xbox Live, PSN and Origin.com.
October 4*