Apple iOS 4 is Now Available on iPhone 3G, iPhone 3GS

For info. Apple have released version 4.0 of the Apple iOS operating system today and it is now available for download & install from the iTunes store.

According to Apple . . .

'iOS 4 was made available to the public for the iPhone (4, 3GS, 3G with limited features) and iPod Touch (3rd gen, 2nd gen with limited features) on 21 June 2010'

The following 'enhancements' have been made:

Initial release on iPhone 4

- Multitasking by double clicking home buttonP3,P4,T3
- Support for Apple Bluetooth keyboardsP3,P4,T3
- Game Center social network
- iBooks with PDF support
- iAd mobile advertising network
- Portrait orientation lockP3,P4,T3


Settings

- App-specific location settings
- Cellular data toggle (On/Off)
- Password with alphabet characters and numbers
- Simple Passcode Lock (4 digit number) option
- New Wallpapers
- Wallpaper available for home screenP3,P4,T3
- New Wallpaper preview for home screen and lock screen
- Set up Internet Tethering
- New Gmail and Exchange icons in Mail, Contacts, Calendars account settings
- Support multiple Exchange accounts
- Custom Dictionary

Home Screen

- Ability to categorize apps into folders with default folder naming based on category name in

App Store

- Up to 2,160 instead of 180 visible apps (12 apps per folder)
- Folder name supports up to 13 characters
- Custom backgrounds for Home screen and Lock Screen
- Dock redesigned to that of the iPad
- Rate on deleting app removed
- Default utilities folder which contains the clock, calculator, voice memos and compass apps

Photos

- Categorized by Albums, Faces, Events and Places (under iPhoto in Mac OS X)
- Select multiple photos for mass deletion
- Support landscape mode

Camera Roll

- Rotate photos
- Resize photos
- Categorization by All, Photos and Videos
- Support landscape mode

App Store

- Ability to gift apps

Maps

- Unified "locate me" icon
- Background location icon shown on status bar

iPod

- Playlist creation on device
- Nested playlists
- Lyrics and Podcast info on Setting
- Volume control with Bluetooth headsets
- Art in Album View

Notes
- Notes syncing with MobileMe, Gmail IMAP and Yahoo! Mail
- Accounts management appears if syncing is enabled
- Notes setting below Mail, Contacts, Calendars Settings if syncing is enabled
- Moved search box into title bar

Calendar
- Birthday calendar
- CalDAV invitations

Contacts

- Unified Info by linking contacts from different accounts
- CardDAV
- Streamlined "New Contact" Screen

Spotlight

- Search with Web or Wikipedia

Safari (Webkit version 532.9)

- Bing is now a search option, along with Google and Yahoo
- Recent Searches below search field
- Top Hit in Search
- Google Suggest appears below search field if Search Engine is set to Google
- Unified "Search" keyboard button when search field being used
- In-Page Video Playback

YouTube

- Rotate & Zoom Videos in vertical and horizontal Position

Nike+

- Upload workouts to Nike+

Accessibility

- Larger fonts in Mail, SMS & alerts

Message

- Include a Search bar
- Character count (Can be enabled or disabled in Settings -> Messages screen)
- Failed SMS Notification
- Option to toggle off the ability to send group messages

Mail

- Unified Inboxes
- Edit from Outbox
- Support for multiple Exchange accounts
- File & delete Mail search results
- Organize By Thread in Mail
- Quicklook attachments
- Open attachments by registered filetype with corresponding Apps from App Store
- Smart Links For Dates and Addresses
- Contact Pictures in Emails
- Create Calendar events from dates within emails

International

- Spell Check
- Added Cangjie and Wubihua Keyboards for Simplified and Traditional Chinese
- Text replacement between Simplified and Traditional Chinese
- Switch keyboard shortcut (holding the "earth" button on keyboard for a while)
- Added support for Danish voice control
- Hungarian Language added

Other

- Persistent Wi-Fi
- Wake on Wireless
- Auto-join and Auto-login and IPv6 on individual Wi-Fi Networks setting
- Enhanced data protection
- Wireless app distribution
- Mobile device management
- SSL VPN support (both Juniper and Cisco)
- Microsoft Exchange Server 2010 support
- Improved Bluetooth driver for A2DP devices

Note: iPod Touch 1st gen and iPhone 1st gen devices are not supported, while iPhone 3G and iPod touch 2nd gen have limited support. iPhone 4, iPhone 3GS, and iPod touch 3rd gen
are all fully supported.