There are 5 easy ways to take a screenshot on the BLU G51S phone as well as several cool tips tricks and best hidden features to quickly get a screenshot:
Install screenshot app from Google Play
Use buttons
Use Capture+ icon at notification bar
Google Assistant
Gesture
We know you're clever. Therefore, there will be no teaching like select the screen you want to capture or turn on your device. No crap. Exclusively the necessary information how to make a screenshot on the BLU G51S phone.
Use buttons
Perhaps the easiest way to take a screenshot is to use the buttons. Hold down the Volume Down and Power buttons and keep them pressed until the screenshot is captured. You can also use this method to make a scrolling screenshot.
Click to zoom in
If the first way to take a screenshot not work and you can't find image let's go further.
Use apps
You can use special apps for screenshots which are very much in Google Play: Private Screenshots, Screen Master, Screenshot touch, Screenshot Easy, Screenshot Pro etc... All these apps have instructions on how to use them to take a screenshot and save the picture.
Google Assistant
The laziest way is to use Google Assistant. Just say OK Google and then Take a screenshot. The gadget will do everything for you.
How can I share my screenshots? Depending on the Android version and the custom UI, sending screenshots may differ. In lastest versions of Android (9 or 10), the quick actions menu will arise after you take a screenshot instantly. There you need to choose the appropriate icon for sharing. Or just open the gallery app on your phone.
Where do I find the screenshots I've taken? If you can't find the screenshots you made, don't despair. The phone can save screenshots to different places. Again, it all depends on custom shells. A pure Android throws pictures into the gallery (DCIM). Other shells can save screenshots to a separate folder for your usability.
These methods work with phones of all operators.
AT&T
Sprint
Cricket Wireless
Virgin mobile
Metro
TracFone
T-Mobile
Simple Mobile
Verizon Wireless
Your phone has a screen resolution 720 x 1280 points. And so the screenshot will be the same size. The file size will be 0.1 MB, so count how much space you need in your phone's memory or on your microSD card.
Some pictures or video from this manual may not exactly match your phone model. But, they have typical details that will help you get the desired result.