bit.ly/1pqFkKl here you can get a new or used logic board if yours is bad..Just make sure the one you get is clean to activate. amzn.to/1H6fc6X here is a good place I found where you can get a tool set if you need one. bit.ly/YcOPI0 here you can check out the Galaxy S4 if you are interested, it's a sweet phone! This video is about removing the logic board in the Galaxy S4. Check out my other repair videos for the S4. Thanks for watching!