Quick iPhone Tip. How to Undo/Redo a typing operation on your iPhone similar to CTRL+Z in Windows or CMD+Z on a Mac.
iPhone OS
HOWTO: Create iPhone Ringtones From Your MP3′s
This step by step guide steps you through creating a custom iPhone ringtone out of your own MP3 files for free.
iPhone: 3G, Is It Really Necessary?
There’s a big trade off between battery life and internet speed when it comes to 3G versus EDGE. What’s your choice?
iPhone: Configure Auto-Lock & Suspend For Maximum Battery Life
Fix your iPhones short battery life and stop it draining so quickly by making a few quick changes to the auto-lock and suspend settings.