Galaxy S II: The Missing Manual

Applications

FROM HERE YOU CAN manage and uninstall apps, control services running in the background, and more:

• Unknown sources. With the Galaxy S II, you can find and install software not just through the Market, but in other ways as well, such as by downloading it from the Web. Turn on this option if you want to install apps from anywhere, not just the Market. If you’re very concerned about safety, turn off the box, since the Market checks apps for malware.

• Manage applications. This option lets you uninstall apps, manage them, force them to stop running, and more. Tap it, and a list appears of all the apps on your Galaxy S II, in four categories: Downloaded (all apps you’ve downloaded), All, On SD card, and Running (those apps that are currently running). Tap any category to see the list of apps, and then tap an app that you want to manage in some way. You’ll likely be confused when you tap “On SD card,” because it shows not just apps that have been moved there, but apps that can be moved there. Apps that are already there show up with green checkboxes next to them; apps that can be moved there have empty boxes.

  Note

  In the Downloaded category, you may see some apps that were preinstalled on the Galaxy S II, such as Maps. They show up in the Downloaded category because you’ve installed updates to them.

  When you tap an app, you come to a screen full of information about it—its size, how ...