Originally Posted by alarmdude9
I'm not sure how to tell. I used towel root and installed triangle away to check that and it shows good. I had a shield thing come up after that but if you tell me how to check I will let you know.
Sent from my SGH-T999L using XDA Free mobile app
Power off the phone
Press and hold Power,Home and Vol -
Download mode will appear asking to press Vol + to continue or Vol- to restart
Look for the line Warranty Bit
It should say 0 if you have not tripped Knox 1 if you have