Quick Tip: How to close a background app in iOS 4+ for iPhone, iPad or iPod Touch

iOS 4 allows users to switch from app to app. While the ability to multitask is handy, there are several reasons why you may want or need to completely shutdown an app.

- Too many apps running in the background can eat up memory and slow processor speeds.

- If an app freezes or requires a restart.

- Closing apps can help conserve battery life.

Here's how:

Step 1: Double tap the home button to view the apps that are currently running.

Step 2: Tap and hold any app on the bar until the apps start to wiggle and a red bubble with a minus sign appears in the top left corner.

Step 3: Finally, just tap on the red bubble of the app(s) you wish to close.

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[supercommando440]

That doesnt always work, i.e. "bad apps" that leak memory will still require a restart of the device to truely "clean" memory.

[kforeman7]

thanks!