There are 5 easy ways to take a screenshot on the Teclast M40S tablet as well as several best tips tricks and cool hidden features to rapidly get a screenshot:
Gesture
Use Capture+ icon at notification bar
Google Assistant
Install screenshot app from Google Play
Use buttons
We understand that you are clever. Therefore, there will be no teaching such as select the screen you want to save or switch on your device. No nonsense. Just the essential information how to make a screenshot on the Teclast M40S tablet.
Use buttons
To take a screenshot is to use the buttons. Hold down the Volume Down and Power buttons and keep them pressed until you save a screenshot. You can also use this method to make a scroll 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 a lot in Google Play: Screenshot Easy, Private Screenshots, Screen Master, Screenshot Pro, Screenshot touch etc... They all have instructions on how to use them to take a screenshot and save the picture.
Google Assistant
The slothful option is to use Google Assistant. Just say OK Google and then Take a screenshot. The gadget will do everything for you.
Where do my screenshots go on? If you can't find the screenshots you took, don't despair. The folders where the gadget saves screenshots and regular 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 usability.
How do I share my screenshots? Depending on the Android version and the built-in shell, sending screenshots may differ. In recent versions of Android (9 or 10), the quick actions menu will appear after you take a screenshot instantly. There you need to choose the appropriate icon for sharing. Or just open the gallery app on your gadget.
These methods work with tablets of all operators.
T-Mobile
TracFone
Sprint
Simple Mobile
Verizon Wireless
Cricket Wireless
Virgin mobile
AT&T
Metro
Teclast M40S has a screen resolution 1920 x 1200 pixels. And so the screenshot will be the same size. The file size will be 0.3 MB, so calculate how much space you need in your tablet's memory or on your microSD card.
Some images or video from this post may not exactly match your tablet model. But, they have common details that will help you get the required result.