Stop phone from going into sleep mode while is charging
Sometimes you don't want your phone to sleep while is charging. For example, you are listening to a radio station while charging your phone and you try to lower the volume. Using default settings, you will find that the phone is locked and you need to unlock it to change the volume. By using the following method, you can instruct your phone to stay awake while is charging.
- Press the Menu key when you're at the Home screen.
- Select "Applications" then "Development" and check the "Stay awake" setting