Samsung galaxy grand prime User Manual page 305

2. Tap Default applications.
3. Tap each default setting to see what services or applications are available to set as the default.
Home: Choose a default Home screen mode.
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Messages: Choose a default app for messaging.
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Clear defaults: Tap CLEAR to clear defaults.
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Note: If you choose a default messaging app other than Messages (Google Hangouts or
Messaging+ for example), you will not be able to use the Messages app unless you restore it as the
default messaging app. For details, see Default Messaging App Settings.
Settings 296