my phone suddenly stopped working heres the issue and steps ive taken so far. when i turn it on I get a screen with red green white stripes that says boot but just sticks there. so i tried the home+power option and the screen with the ! and picture of phone comes up tried rebooting , and alt +w option but at bottom i get a meesage cant "open cache/recovery/command". please help and fyi im new to this so even if you think everyone knows to try it please tell me . thank you for the help