Samsung SCH-R400ZPAMTR - Manual (Page 70)

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What do I pay?
When you buy an app, you will be charged for the purchase cost of the app and the
network connections to download it. Network usage charges are incurred when you
use apps that require network connections, such as downloading information and
sending text messages.
Demo Apps
A Demo app is free and is designed to demonstrate the app’s main features. It
usually expires after a certain period of time or a number of uses and often has
limited functions. When you run a demo app, you will be presented with a purchase
option so you won’t have to look for the app in the Mobile Shop catalog.
Removing Apps
You may remove apps that are no longer needed. When you remove an app, you
cannot use the application unless you purchase it again. To remove an app, choose
Settings > Manage Apps. Then, select the app you want to remove.
Disabled Apps
You can install new apps even if the memory of your phone is full by partially
removing (disabling) apps you haven’t used recently. When you need to use a
disabled app, you can restore it at no additional purchase cost.
Restoring Apps
Disabled apps can be quickly restored at no additional purchase cost. To restore an
app, run the application you want to restore from the Main Menu. You will be guided
through the restoration process.
Expired Apps
Apps that were purchased based on the number of uses or for a specified period of
time expire. You can purchase additional uses from the Mobile Shop catalog.