Remember, this update is only for BBOS devices exclusively (OS 5, 6, 7, and 7.1), so if you're rocking one of those devices, and want to give it a shot, check the link below.
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I have tried all step but os is not installed.
i have recieved error 507 and 621,my device is not connected to the desktop software.
In BlackBerry desktop, go to Device, Backup, and then back up your BlackBerry. This will save your Contacts to your Mac (or PC). Now connect your iPhoneRacnkaul 09-28-2014, 10:18 AM