Samsung galaxy grand prime User Manual page 271

2. Tap Data usage
The data usage window opens.
Data Usage Settings Operations
Enable Mobile Data: Tap the ON/OFF switch next to Mobile data.
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Enable Restrictions on Mobile Data Usage: Tap the ON/OFF switch next to Limit mobile
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data usage, and then drag the horizontal limit slider up or down to set the data usage limit.
This setting is available when Mobile data is enabled.
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Settings
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