Unhappy [Q] Sprint Connectivity Issue!

Hello, I recently have un successfully rooted my GTab... I had bricked it and then un bricked it and now it wont let me turn Wifi on. When I select it, it turns itself off. Along with all this it wont connect to Sprints network either. The SIM is inserted correctly. All help is appreciated and if someone could link me to a good tutorial on how to properly root my Samsung Galaxy Tab 3 Sprint model SM-T217S that would be sweet. Thanks so much and have a great day.