iPhone 3G, How to Improve Performance with iPhone OS 4.0
Apple has recently released the brand-new iPhone OS 4.0 operating system, introducing several new features and improvements for all iPhones.
However, the reduced power of the hardware iPhone 3G, when compared with that of the larger models iPhone 3G, and iPhone 4 is not sufficient to avoid delays in the interface.
The hardware component of the iPhone 3G is inferior in terms of technology than the iPhone 3G and iPhone 4, and many users have complained about a major slowdown in the interface of the iPhone 3G once the new iPhone OS 4.0.
The operating system iPhone OS 4.0 has been optimized for the hardware of the iPhone 3G and iPhone 4, with the result that the iPhone 3G suffers from glaring delays during the execution of common tasks, like reading e-mail or the listening to music.
One of the best ways to increase the performance of your iPhone 3G with the iPhone OS 4.0 is installed to disable the Spotlight search, because it is a function that requires a lot of system RAM.
To disable it, just choose "Settings" -> "General" -> "Home button" -> "Spotlight Search" and remove the checkfrom.