There are many ways to take a screenshot on the Teclast M40 tablet as well as several best tips tricks and cool hidden features to rapidly get a screenshot:
Install screenshot app from Google Play
Use Capture+ icon at notification bar
Google Assistant
Gesture
Use buttons
We know you're smart. Therefore, there will be no instructions like select the screen you want to save or turn on your device. No crap. Exclusively the necessary information how to make a screenshot on the Teclast M40 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 capture a screenshot. You can use this method to screenshot with scroll.
Click to zoom in
If the main way to take a screenshot not work and you can't find picture we'll try other options.
Use apps
You can can download and install special screenshot apps which are very much in Google Play: Screenshot Pro, Screenshot Easy, Screenshot touch, Private Screenshots, Screen Master etc... All these apps 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 gadget will do everything 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 new versions of Android (9 or 10), the smart menu will appear after you take a screenshot immediately. There you need to choose the appropriate icon for sharing. Or just open the gallery app on your gadget.
Where does my screenshot go on? If you can't find the screenshots you took, don't despair. The gadget 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 convenience.
These methods work with tablets of all operators.
Simple Mobile
TracFone
T-Mobile
Virgin mobile
Metro
Cricket Wireless
Sprint
Verizon Wireless
AT&T
Your tablet has a screen resolution 1920 x 1200 points. And so the screenshot will be the same size. And the file size will be 0.3 megabytes, so calculate how much space you need in your tablet's memory or on your SD card.
The video or pictures in this post may not be your tablet number. However, they have typical details that will help you get the required result.