There are 5 simple ways to take a screenshot on the TCL 20L phone as well as several cool tips tricks and best hidden features to rapidly get a screenshot:
Use Capture+ icon at notification bar
Use GooglePlay apps
Use buttons
Gesture
Google Assistant
We understand that you are clever. Therefore, there will be no instructions like select the screen you want to save or switch on your phone. No crap. Exclusively the necessary information how to make a screenshot on the TCL 20L phone.
Use buttons
The quickest way to take a screenshot is to use the buttons. Press 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 first way to take a screenshot not work and you can't find picture let's go further.
Google Assistant
The slothful option 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
Use apps
You can use additional screenshot apps which are very much in Google Play: Screenshot Pro, Screen Master, Private Screenshots, Screenshot touch, Screenshot Easy etc... They all have instructions on how to use them to take a screenshot and save the picture. How can I share my screenshots? Depending on the Android version and the custom shell, sending screenshots may differ. In new versions of Android (9 or 10), the smart 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 phone.
Where does my screenshot go on? If you can't find the screenshots you took, don't despair. 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 separate folder for your comfort. This is suitable for phones of all operators.
T-Mobile
Simple Mobile
Metro
Sprint
Virgin mobile
TracFone
Cricket Wireless
AT&T
Verizon Wireless
TCL 20L has a screen resolution 480 x 800 points. So the screenshot will be the same size. And the file size will be 0.0 megabytes, so calculate 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.