help i have htv evo 4g that had didnt want to turn after i tried to make a software update. then i called sprint store to help where they made me reboot or reset my phone. it now has nothing no software no recovery. i was able to unlock it but with s on how am i suppost to swich to s off so i can install programs and recovery and be able to use it. helppp pleaseee i dont know whatt to ddoo ??