http://ping.fm/GDPyp
Probably the last development version before the iOS 4.2 release is available through the Apple Developer program for download. The iOS 4.2 GM - the GM stands for gold or gold master Master - indicates that it will not be expected until iOS 4.2 is available for download. To the built-in functions. It is fast approaching the official debut of iOS 4.2, in fact, Apple has released version 4.2 for developers to GM of its mobile operating system.