HowTo speed up your iOS 4 on iPhone 3G and iPod touch 2G
iPhone 3G and iPod Touch 2G work a bit slow with iOS 4. The video below shows a nice trick that will put the speed back in your device. You need to go do Settings and deselect Spotlight.
On iPod Touch 2G go to Settings - General - Home Button - Spotlight Search. On iPhone 3G go to Settings - General - Spotlight Search. Then uncheck all the searches that you don't use. This will increase the speed of your device.
This also works on iPhone 3GS and iPhone 4, however the speed increase is very small there.
Watch the video: