iCloudil has found a file in iOS that appears to identify the release date of upcoming firmware versions and next iOS 5 Beta shall be released on 18 August. Apple can remotely control the dates in iOS file system and the main target would remain unchanged, that is, iOS 5 Beta 6 will arrive in August followed by the final release in September………………
According to a change in an iOS file spotted by iCloudil.com, Apple has set Thursday, August 18 as the release date for iOS 5 beta 6. It turns out that the file is remotely changeable by Apple and the dates seem to be targets because the original date in the file was a day earlier (Aug. 17).
However, many people believe this is just be another iTunes check for update date and iTunes usually does this weekly.