Apple has released a short statement that basically says, "It turned out to be harder to make the white iPhone 4 than we expected, so you'll have to wait a few more weeks to get your grubby little hands on it. And speaking of which, we expect you to keep it clean!" We suspect the real reason has to do with matching the exact shade of Stormtrooper White. follow link
Type Faster on an iPhone or iPod touch
When typing on an iPhone or iPod touch, to end a sentence quickly and get ready to start the next one, double tap the Space bar. You'll insert a period followed by a space. You can turn this shortcut on or off via the Shortcut slider in Settings > General > Keyboard.
- ExtraBITS for 28 June 2010 (28 Jun 10)
White iPhone 4 Delayed into July