September 30th, 2012, 04:31 PM
Join Date: Apr 2012
Device(s): Samsung Galaxy S4 GT-I9505,
Samsung Galaxy S2 GT-I9100, Samsung Galaxy Tab 2 10.1
Carrier: 3 Ireland
Thanked 20 Times in 17 Posts
Sounds like you have turned off Notifications.
Click on the notifications bar in the bottom of the screen and Switch Notifications back on.
That should be you sorted.
Sometimes this happens if you use apps that try to conserve bandwidth or battery life as it will stop the tablet fetching email/facebook notifications adhoc.