this happened when i went to get my iPhone3G fixed due to the spoiled screen, (btw will cost me RM180 to fix), i also complained on the slow browsing and the guy checked my phone and started shaking his head... smiled and tell me, next time, try closing the opened applications... after doing so, the phone gets a bit faster to maneuver... bingo!
in case you are wondering how to close application on iPhone and to swap between applications, read below.
credits to: The New Gadget
How To: Close an application in Apple iPhone 4
Posted by Akash Malik on November 11, 2010, filed in: iPhone 4
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I get several questions in my email everyday. This week, three people were asking me the same question, this post is for those three people and for everyone who is not sure about closing an application in Apple iPhone 4.
You must already be knowing that Apple iPhone 4 supports multitasking which means you can run multiple applications at the same time. If you have recently bought an iPhone 4 and if you’re not familiar with iOS, then this tutorial is for you.
This tutorial will teach you ‘how to swap between multiple application running on an iPhone 4′ and ‘how to close applications in an iPhone 4′.
If your iPhone’s battery is draining quickly, then check this out -
How to swap between multiple applications?
For checking the number of active applications, press the iPhone 4 Home Button twice. You’ll now be able to see the active applications and you’ll be able to swap between the active applications. You can check the picture below -
How to close an application in Apple iPhone 4?
It is really easy to close an application in iPhone 4. Press the Home Button twice. Now press and hold icon of any active application. You’ll now notice small red buttons on the top of icons. Press the red button to close the respective application.