How To Take A Screenshot or Screen Capture With The BlackBerry Curve
Unfortunately, there is no way to natively take a screenshot on a BlackBerry Curve 
However, users can use apps like Capture It or Screen Muncher to take screenshots.
How To Take A Screenshot or Screen Capture With The ZTE Engage To take a screenshot or screen capture with the ZTE Engage, simply: Hold down the POWER button and the VOLUME DOWN button....
How To Take A Screenshot or Screen Capture With the Jolla Phone To take a screenshot or screen capture with the Jolla Phone: Download a screenshot app from the app store...
How To Take A Screenshot With Nokia Asha 302 Unfortunately, the Nokia Asha 302 cannot natively take screenshots...
How To Take A Screenshot or Screen Capture With The Lenovo A7000 To take a screenshot or screen capture with the Lenovo A7000 Press and hold the VOLUME DOWN and POWER buttons at the same time....