Earlier today RIM reported that the PlayBook OS 2.0 will be delayed until early next year. In a blog post from the Official Inside BlackBerry Blog. David J. Smith, SVP, BlackBerry PlayBook at RIM made the following statement:
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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