Full Changelog:
- 4.x Support for the iPad
- iOS 4 features for iPad (Multitasking, Folders, etc.)
- Updated Carrier Signal Strength Display
- Increase in the length of the smaller signal bars
- The method in which signal strength is calculated has been enhanced
- Fixes glitch that can let a user get into the phone app while the phone is locked via "Emergency Call" by dialing a random number and quickly pressing the lock button after dialing that call
- Fixes the alarm bug caused by daylight saving time changing, affected on a part of iPhone and iPod Touch owners which is located in Australia, New Zealand, and some European countries.
- iPad screen rotation lock switch is converted into a sound/silent switch in iOS 4.2 (Just like on the iPhones)
- Adds screen brightness control in the iPad multitasking tray
- AirPrint Wireless Printing with Print Center
- Import .ics calendar files directly for events
- Birthdays icon has been changed in calendar
- Updated Carrier Settings (US is AT&T 9.0)
- Text search on web pages
- 2 new fonts for Notes in Settings (Helvetica and Chalkboard)
- New icon for Voice Memos (iPhone and iPod Touch only)
- Updated applications
- AirPlay (replacement of AirTunes, AirPlay will offer stream video, music, and photos over Wi-Fi)
- More than 30 new keyboards and dictionaries, including Arabic, Greek, and Hebrew (iPad only)
- New Text Tone Alerts (New & Original tone lists) (iPhone 4 only)
- Ringer & Alerts on/off switch (Settings > Sounds) for volume buttons (iPhone only)
- Assign different text tone alerts to each contact (iPhone only)
- YouTube voting
- New Multitasking Animation
- New Parental Controls for deleting Apps, changing mail accounts and location services
- FaceTime shortcut from Messages app (iPhone 4 only)
- New wallpapers in Settings
- New Bookmarks design (iPad only)
- Minor improvements in UI graphics
- Restores full Field Test Mode
Download Links for iOS 4.2 GM:
iTunes 10.1 Beta is required to install this. Download from here:
You can jailbreak iOS 4.2 GM with Redsn0w 0.9.6b2. Download here and then just point it to the 4.1 firmware.