How To Take A Screenshot or Screen Capture With The Sony Ericsson Xperia Arc:
Unfortunately, the Sony Ericsson Xperia Arc cannot natively take screenshots 
However, users can root the device or install the Android SDK to take screenshots. There are many guides out there to achieve this, but be careful!
How To Take A Screenshot or Screen Capture With The Huawei P8 To take a screenshot or screen capture with the Huawei P8 Press and hold the VOLUME DOWN and POWER buttons at the same time. Alternatively, you can use the ‘knuckle knock’ feature: simply knock the screen twice with you knuckles...
How To Take A Screenshot With The Samsung i7500 Unfortunately, the Samsung i7500 cannot natively take screenshots...
How To Take A Screenshot or Screen Capture With The Samsung Galaxy S3/SIII Mini To take a screenshot or screen capture with the Samsung Galaxy S3/SIII mini, simply: Hold down the HOME button and the POWER button at the same time. The HOME button is on the front of the phone at the bottom and the POWER button is on the side of the … Continue reading Samsung Galaxy S3 Mini...
How To Take A Screenshot With The Nexus S To take a screenshot or screen capture on the Nexus S, simply: Hold the VOLUME DOWN and the POWER button for a few seconds. The VOLUME DOWN is on the left of the phone and the POWER is on the right. You should hear the camera … Continue reading Nexus S...