In spite of initial update of iPhone which was temporarily suspended due to an installation issue, Apple releases iPhone OS 4 beta 3 with lock for developers. AppleInsider reveals that Apple introduces iPhone OS 4 beta 3 and iPod widget features for app developers. Beta 3 causes to quit apps in multitasking drawer. Lock for iPhone OS 4 works easy as physical switch on iPad and iPod widget fixes bugs and introduces new music playback. Lock makes Auto switching between landscape and portrait directions important and functional. Apple’s iPhone OS 4 beta 3 does not support messaging features or secure wipe as Developers head on new firmware apps in testing. AppleInsider also reports that iPhone OS 4 will be released in June.