Battery Life:
Close Programs: Install Waku WkTask, Touch Taskmanager or something similar that makes the x-button close apps, not minimize them…
Auto Brightness Off: [Settings > System > Backlight] Set to manual and keep it as low as possible.
Performance:
MemMaid: Handy little program that cleans up in the registry, lets you manage startup items, compacts ram and other […]
Some intrepid people over at modaco have figured out how to unlock the GPS on the phone. Use this at your own risk!
http://www.modaco.com/content/i9×0-omnia-http-omnia-modaco-com/286526/new-rom-for-omnia-i910/