A screenshot from Origin Russia seems to suggest that all Battlefield 3 Premium subscribers will have access to Battlefield 4's beta later this year.
Russian fansite MyBattlefield captured a shot of EA's client which reveals the final Battlefield 3 unlock, on the right side of the screen, and reads "exclusive access to the beta version of Battlefield 4," as translated by MP1st.
While Premium member access to Battlefield 4's beta seems like a given DICE and EA have not yet officially announced this boon for subscribers.
Over the last week Battlefield 4's official website has been launched and DICE have teased naval, aerial and land based conflicts in a series of short trailers all of which conclude with the words "prepare for battle".
Anyone who logs into Battlefield 4's website before the game's official unveiling with recieve the 'I was there' dogtag for use in Battlefield 3.
EA will offer a first glimpse of the game on March 27th at the Games Developer Conference which begins today. Though official platforms for the title have yet to be announced it's widely expected that Battlefield 4 will be released on PS4 and Xbox 720 as well as PC.