4.2 β1: 8C5091e
β2: 8C5101c
β3: 8C5115c
GM: 8C13405.15.04 P2, P3, GM Release

03.10.01 P4, GM Release
07.10.00 S2, GM Release

Coming November, 2010 [55]

For iPhone, iPod Touch, and iPad

-AirPlay (replacement of AirTunes, AirPlay will offer stream video, music, and photos over Wi-Fi) [56] -AirPrint Wireless Printing with Print Center [56] P3, P4, T3, T4, S1, S2 -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 [56] -2 new fonts for Notes in Settings (Helvetica and Chalkboard) -Added an indicator in the App Store which shows if an App supports Game Center -Support for CoreMIDI -YouTube voting [57] -Minor improvements in UI graphics -New Parental Controls for deleting Apps, changing mail accounts and location services[57] -FaceTime shortcut from Messages app (iPhone 4 only)[57] -New wallpapers in Settings

iPad exclusive features

-4.x Support for the iPad [56] -iOS 4 features for iPad (Multitasking, Folders, etc.)   -Updated Carrier Signal Strength Display (3G iPad only)     -Increase in the length of the smaller signal bars     -The method in which signal strength is calculated has been enhanced   -Additions to the multitasking tray     -Brightness     -Volume control     -AirPlay Controls   -iPad screen rotation lock switch is converted into a sound/silent switch in iOS 4.2 (Just like on the iPhones) -More than 30 new keyboards and dictionaries, including Arabic, Greek, and Hebrew (iPad only) -New Multitasking animation (iPad only) -New bookmarks design

iPhone and iPod Touch Exclusive Features

-Bug Fixes     -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 [58]     -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.[59]   -Additions to multitasking tray     -Volume controls     -AirPlay controls   -New icon for Voice Memos (iPhone and iPod Touch only) -New Text Tone Alerts (New & Original tone lists) (iPhone only) -Ringer & Alerts on/off switch (Settings > Sounds) for volume buttons (iPhone only) -Assign different text tone alerts to each contact (iPhone only) -Restores full Field Test Mode[<I>citation needed</I>]