Following today’s iPad event, Apple has released iOS 5.1 for the iPhone, iPad and iPod touch. According to the release notes, the new version adds Japanese language support for Siri and the ability to delete photos from the Photo Stream. Additionally, the Camera shortcut is now always visible on the lock screen for the iPHone 4S, iPhone 4, iPhone 3GS and fourth-generation iPod touch and improvements have been made to camera face detection to highlight all detected faced. The update also includes a redesigned Camera app for the iPad and adds support for Genius Mixes and Genius playlists for iTunes Match subscribers. Several other optimizations and bug fixes are noted including improvements to audio for TV shows and movies on the iPad, podcast controls for playback speed and skip back on the iPad as well as an updated AT&T network indicator and fixes for issues relating to battery life and audio dropouts on outgoing calls. iOS 5.1 is compatible with the iPhone 3GS, iPhone 4, iPhone 4S, iPad, iPad 2, third-generation iPod touch, and fourth-generation iPod touch, and is available now via the update feature in iTunes or as an over-the-air update. To update your iOS device over-the-air, open Settings, tap on General, and tap on Software Update.