Ok when jelly bean get sent to the phone should unroot it befor installing it. Or can I just install it and it will be unroot.
if you want to prevent any issues and stay on the safe side id unroot it, unless you manually install a jelly bean rom than you'd need to be rooted with a custom recovery.
Moved to the Galaxy S3 Development forum.
Current lineup: Galaxy Note 2, MotoActv
Previous smartphones: Galaxy S3, One X, Droid RAZR MAXX, Galaxy Nexus, Rezound, Galaxy Note, iPhone 4S, Droid Bionic, Stratosphere, Droid Charge, Vitality, Droid Incredible 2, Thunderbolt, Palm Pixi Plus, Droid 3, Fascinate, Droid Incredible, Droid Pro, Droid 2 Global, Droid X, Droid, Treo Pro, Touch Pro 2, Touch Pro, Q9m, XV6800, XV6900
Previous tablets: Transformer Pad TF300, Evo View 4G, Transformer Prime, Transformer TF101, Thrive, gTablet