“ Originally Posted by Superman369 
”
Dude, flash to stock before taking it in. Its not worth the risk. Thats all the reason they need to deny you from ever getting a replacment again. Sometimes they wont notice if its a custom rom, but it is definitely not worth the risk.
i never get questioned on this with it being custom..... but i know the people at my store :) so if you dont know them always better to be safe than sorry