News on a software update for the EVO 4G can't be completley confirmed, but BGR has received news that Sprint is preparing for a maintenance update. The update is supposedly coming up on the 28th of June, three things are to be targeted in the update. The first update will be an improvement on the wi-fi, the EVO 4G is known for it's poor wi-fi reception.
Another update will be a fix to issues including new account set up, PIN policy usage, and Exchange Server 2010 Calendar Sync. Lastly the issued with the Facebook app, the Addresses Social Networking Sync, which will improve battery life. As we said, the date can't be confirmed completley but the source is pretty reliable to it will probably turn out correct.
[via Boy Genius Report]