[Guide] How to make your iPhone 3G run faster on iOS 4.0

Many Apple iPhone 3G users complained about a noticeable speed decrease after upgrading to iOS 4.0. Considering that iOS4 doesn't give the 3G users many of the features available to the Apple iPhone 3GS and the Apple iPhone 4, it is frustrating to find the iPhone 3G's speed being affected.

However there is a quick time to speed up your iPhone 3G running iOS 4.0.

One of the features of the Phone that causes it's sluggishness is the spotlight search which runs a background service that indexes the content. To disable this searching you can go to 'Settings – General – Home Button – Spotlight Search – and deselect every option' several users have reported that this fix showed improvements in the phone's performance.

Anyone who has tried this for yourselves please share your experiences.


source - NeoWin