This is the tips I collected from my experiences and other websites. Luckily, most of tips is publish on Iphone’s website; but I still want to post in my blog because I will update tips frequently.
1. Switch from US English to UK English:
If you need to use the UK English, double-click the globe button next to the space bar in any app that brings up the soft keyboard. This toggles your iPhone between US English and UK English.
2. Kill a running app:
If your Iphone becomes so slow, you will need to kill some app in order to release your phone’s memory and CPU. Just tap and hold on a running app and a “-” button appears against all of them, then kill the app that you want to be killed.
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