To turn permissions on or off for installed apps:

[pinkysree]

• From a Home screen, navigate: Apps. > Settings > Applications. ...
• Tap Application Manager.
• Tap the appropriate app.
• If available, tap Permissions.
• Tap any of the available permission switches (e.g., Camera, Contacts, Location, etc.) to turn on or off .

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[lookupdecal]

I'm not quite mastered yet to this phone so I hard time looking for it until I found this thread. Thanks for posting now I know where it locates.