Just found a Quick and Handy tip when using the Wireless Keyboard on your iPhone or iPad.
Selection of Text is simple done by holding down shift and using left and right buttons.
Yes I know its exactly the same as on a normal computer but it feels strange and more useful somehow.
To work with your keyboard, just go into your email or other application, and type away. Special keys like Option and Shift affect the selection of text just as they do on a Mac, and keys like brightness, volume, muting and audio playback controls are all recognised by the iPhone. Note that your iPhone and keyboard will remain paired as long as you leave Bluetooth on. This may be useful because you can enter your pin code off your keyboard when the unit is locked, but it will also prevent your desktop computer from connecting to the keyboard until the iPhone is out of range, or its Bluetooth is switched off. Get familiar with your iPhone’s Bluetooth controls to manage your keyboard use as effectively as possible.
Viste iPhone Video Tutorials