- BlackBerry OS 4.6 or above
- BlackBerry Internet Service (BIS) or BlackBerry Enterprise Service (BES)
If you have problems downloading from AppWorld, you can always download OTA from: www.whatsapp.com/ota/
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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