There are 5 easy ways to take a screenshot on the POCO C40 phone as well as several best tips tricks and cool hidden features to get a screenshot in a rapid way:
Use GooglePlay apps
Use Capture+ icon at notification bar
Gesture
Google Assistant
Use buttons
We understand that you are clever. This is why there will be no teaching like select the screen you want to capture or switch on your device. No crap. Just the essential information how to make a screenshot on the POCO C40 phone.
Use buttons
To take a screenshot is to use the buttons. Press the Volume Down and Power buttons and hold them down until you save a screenshot. You can also use this method to make a scroll 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 additional screenshot apps which are a lot in Google Play: Screenshot Pro, Screenshot Easy, Screenshot touch, Screen Master, Private Screenshots etc... They all have instructions on how to use them to make a screenshot and save the picture.
Google Assistant
The slothful way is to use Google Assistant. Just say OK Google and then Take a screenshot. The phone will do all the work for you.
Click to zoom in
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 appear 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.
Where do I find the screenshots I've taken? If you can't find the screenshots you made, don't lose heart. The phone can save screenshots to different folders. 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.
These methods work with gadgets of all operators.
AT&T
Sprint
Simple Mobile
Virgin mobile
Metro
T-Mobile
Verizon Wireless
TracFone
Cricket Wireless
Your phone has a screen resolution 720 x 1600 pixels. So the screenshot will be the same size. The file size will be 0.1 megabytes, so count how much space you need in your phone's memory or on your microSD card.
The pictures or video in this post may not be your phone number. But, they have typical details that will help you get the required result.