How To Take A Screenshot With Blackberry Curve 9320
Unfortunately, there is no way to natively take a screenshot on a BlackBerry Curve 9320 
However, users can download apps like Capture It or Screen Muncher to take screenshots.
How To Take A Screenshot or Screen Capture With The Motorola Moto X To take a screenshot or screen capture with the Motorola Moto X: Hold down the POWER and VOLUME DOWN key at the same time. You will hear a shutter sound if the screenshot has been taken successfully. The screenshot will appear in Apps>Gallery>Screenshots ...
How To Take a Screenshot or Screen Capture with the Huawei Ascend P7 To take a screenshot or screen capture with the Huawei Ascend P7 simply: Hold down the VOLUME DOWN button and the POWER button...
How To Take A Screen Shot With The Samsung Galaxy Tab 3 To take a screenshot or screen capture with the Samsung Galaxy Tab 3, simply: Hold down the POWER button and HOME button down simultaneously....
How To Take A Screenshot or Screen Capture With The XOLO One To take a screenshot or screen capture with the XOLO One Press and hold the VOLUME DOWN and POWER buttons at the same time. The VOLUME DOWN button is on the left of the phone and the POWER on the right....