PlayStation EU community manager 'Envisager' has stated that you will be able to upgrade from PS3 version of Battlefield 4 to the digital PS4 version for £10 by using a voucher that will be inside some specially marked copies of Battlefield 4 on PS3. Nte that the price was in Pounds , thats because theres still no pricing info for the states. Here`s the official word: There are of course other titles offering a simlar deal , only 4 right now though... Call of Duty: Ghosts Assassin's Creed 4: Black Flag Watch Dogs Battlefield 4. The price of upgrading your games from PS3 to PS4 version for each game differs from publisher to publisher.