There are many ways to take a screenshot on the Vivo Y3s (2021) phone as well as several best tips tricks and cool hidden features to get a screenshot in a quick way:
Install screenshot app from Google Play
Use Capture+ icon at notification bar
Gesture
Google Assistant
Use buttons
We understand that you are smart. This is why there will be no instructions like select the screen you want to save or turn on your phone. No crap. Just the required information how to make a screenshot on the Vivo Y3s (2021) phone.
Use buttons
To take a screenshot is to use the buttons. Simultaneously press the Volume Down and Power buttons and hold them down until you capture a screenshot. You can also use this method to make a scrolling screenshot.
Click to zoom in
If the main way to take a screenshot not work and you can't find picture let's go further.
Use apps
You can can download and install special apps for screenshots which are very much in Google Play: Screen Master, Screenshot touch, Screenshot Pro, Private Screenshots, Screenshot Easy and more... All these apps have instructions on how to use them to make a screenshot and save the picture.
Google Assistant
The laziest option is to use Google Assistant. Just say OK Google and then Take a screenshot. The gadget will do all the work for you.
Click to zoom in
Where are screenshots saved? If you can't find the screenshots you took, don't lose heart. The folders where the phone saves screenshots and ordinary photo may be different. Again, it all depends on custom shells. A pure Android throws pictures into the gallery (DCIM). Other shells can save screenshots to a different folder for your comfort.
How do 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 smart menu will arise after you take a screenshot instantly. There you need to select the appropriate icon for sharing. Or just open the gallery app on your phone.
These methods work with phones of all operators.
Virgin mobile
AT&T
TracFone
Metro
Cricket Wireless
Verizon Wireless
Simple Mobile
Sprint
T-Mobile
Vivo Y3s (2021) has a screen resolution 720 x 1600 points. 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 video or pictures from this post may not exactly match your phone model. However, they have typical details that will help you get the required result.