How To Know The Blackberry OS Version

Below are the steps to know the Blackberry Operation System (OS) Version

Go to the Options menu

Then select  Device

Select  About Device Versions

Inside red ellipse, is the Blackberry version
Example here is Version 6 (V6.0.0.706)

For Blackberry with Version 5 

Go to the Options menu

Select About

Inside red ellipse, is the Blackberry version 
Example here is the Version 5 (V5.0.0.681)

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