Apple to Release iOS 4 Today
Apple has previously labelled June 21 as the day in which it will release its next major OS upgrade for iPhones and iPod touches. iOS 4 (nee iPhone OS 4) as it is known was first shown off by Apple in early April, ever since then a steady trickle of betas has helped developers take advantage of the new features.
Apple has not announced a time for iOS 4 release but around 10am Pacific Time (6pm London) would be in line with previous releases.
The following devices are compatible with iOS 4:
iOS 4 is a free update for all compatible devices.
A look at iOS 4
iOS 4 carries over 100 new features and seven major features.
During the keynote presentation Apple demonstrated these seven major features:
Apple also alluded to the following features:
Below a series of screenshots obtained from across the numerous betas, some features may have changed before the final build but they offer a good idea of new features.

Left: Home screen with default wallpaper. Middle: App folder filled with maximum 12 apps. Right: App folder as seen from home screen.

Left: Options to set wallpaper. Middle: double click the home button to get the running app dock. Right: Press and hold an app in the dock to quit it.
Apple has previously labelled June 21 as the day in which it will release its next major OS upgrade for iPhones and iPod touches. iOS 4 (nee iPhone OS 4) as it is known was first shown off by Apple in early April, ever since then a steady trickle of betas has helped developers take advantage of the new features.
Apple has not announced a time for iOS 4 release but around 10am Pacific Time (6pm London) would be in line with previous releases.
The following devices are compatible with iOS 4:
- iPhone 3G
- iPhone 3GS
- iPhone 4
- Second and third generation iPod touch (late 2009 models with 32GB or 64GB).
iOS 4 is a free update for all compatible devices.
A look at iOS 4
iOS 4 carries over 100 new features and seven major features.
During the keynote presentation Apple demonstrated these seven major features:
- Multitasking
- App Folders
- Enhanced Mail app
- iBooks for iPhone and iPod touch
- Enhanced enterprise features
- Game Center
- iAd
Apple also alluded to the following features:
- File & delete Mail search results
- Search SMS/MMS messages
- Web search suggestions
- Choose image size in Mail messages
- Bluetooth keyboards
- CalDav invitations
- Larger fonts for Mail, SMS & alerts
- Cell data only setting
- Spell check
- Persistent Wi-Fi
- Gift Apps
- Birthday calendar
- Recent Web searches
- Create Playlists
- Sync IMAP notes
- Top Hit in search
- 5x digital zoom
- Nested Playlists
- CardDav
- Tap to focus video
- Upload workouts to Nike+
- Places in Photos
- iPod Out
- Home screen wallpaper
- Search SMS/MMS messages
- Wake on wireless
Below a series of screenshots obtained from across the numerous betas, some features may have changed before the final build but they offer a good idea of new features.

Left: Home screen with default wallpaper. Middle: App folder filled with maximum 12 apps. Right: App folder as seen from home screen.

Left: Options to set wallpaper. Middle: double click the home button to get the running app dock. Right: Press and hold an app in the dock to quit it.