I am using the iPhone from a long time and the performance is up to the mark as i was expecting from apple always. The only problem with the phone occurred when i updated the phone's OS to iOS4, when i tried to multitask on the phone it created a number of the issue and the battery of the iPhone is going very soon and i have to charge the battery very frequently and the drainage of the battery is very much a problem to me please provide any suggestion to overcome the issue.
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