Originally Posted by suresh30
Welcome to BlackBerryOS
Error 507 means there is no Operating System on your device, it happen while updating or when your device OS became corrupt.To recover your device from this error 507 you can reload your device software using BlackBerry Desktop Software or simply download the OS pack from your Carrier site and use loader.exe to load the OS back on your device.You can download the OS pack from here BlackBerry - Desktop & Device Software Download Sites for BlackBerry users - US after downloading install it on your PC . Go to C:\Program Files\Common Files\Research In Motion\AppLoader. (For 64-bit Vista or Windows 7, the path will be C: > Program Files x86 > Common Files > Research In Motion > AppLoader) double click Loader.exe
But remember in this process you will loss all data within your device ,I hope you have your device previous backup which you can restore later on.
go listen to the master ... advised new members