Apple has released iPhone OS 3.1.2, its first major update to the iPhone’s and iPod touch’s software since the launch of version 3.1 and 3.1.1, respectively, on September 9. According to Apple’s release notes, the update “[r]esolves [a] sporadic issue that may cause iPhone (or iPod touch) to not wake from sleep,” as well as an “intermittent issue that may interrupt cellular network services until restart.” It also fixes a bug that could cause occasional crashes during video streaming. iPhone OS 3.1.2 is available now for both iPhone and iPod touch users through the update feature in iTunes.

source: http://www.ilounge.com/index.php/news/comm...es-sleep-issue/