I guess you need to root your device because it worked on my device
Edit: http://forum.xda-developers.com/show....php?t=2433853, this is will show you how to root your device then do what I told you to do
Hope it will work this time
sent from SM-T210(R)ocketTab 3.0 $up€R_f@$T
I have the 8" tab.... T-315..... its probally different...