this is darryl from the philippines. the reason why i join in because i upgraded my storm 2 which actually the original os is 4. i upgrade it to os 5. The installation is successful, then i deleted one of the apps installed at my phone then. I reboot it, and it suddenly goes white "app error 552" reset. I reset it 10 times. i removed the battery and nothing happens error again. do you have a solution for this sir? please. I need to restore my phone. please please sir. God Bless you!