Unofficial firmware updates for the BlackBerry Storm has managed to find its way to the Internet. The BlackBerry Storm operating system this time  is version 4.7.0.87 This is for the GSM only 9500 not the 9530. Please only upgrade if you are comfortable with the process. Updating to this OS could be risky, so at the very least make sure you take necessary precautions before you continue. You’d better to backup your device before doing it.You can get the OS file here.
