I recently rooted my Samsung galaxy s4 (verizon) running 4.3 (mj7) and i attempted to download something from "andrioid tweaker 2' it completely messed everything i managed to remove the root and i factory reset my phone but 2 problems one was i had my phone flashed to first to page plus then i had the apn changed to T-mobile well now my phone is back on page plus i think because it;s showing my old number when i attempt a call. And the other is it keeps saying " unfortunately system ui has stopped" and it keeps popping up please help!
Read more: System ui has stopped! Help?