There are five simple ways to take a screenshot on the AGM H3 phone as well as several best tips tricks and cool hidden features to quickly get a screenshot:
Gesture
Install screenshot app from Google Play
Use Capture+ icon at notification bar
Use buttons
Google Assistant
We understand than you're clever. This is why there will be no teaching like select the screen you want to capture or turn on your device. No crap. Just the essential information how to make a screenshot on the AGM H3 phone.
Use buttons
Perhaps the easiest way 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 first way to take a screenshot not work and you can't find image let's go further.
Use apps
You can use special apps for screenshots which are very much in Google Play: Private Screenshots, Screen Master, Screenshot touch, Screenshot Easy, Screenshot Pro etc... All these apps 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 phone will do everything for you.
Click to zoom in
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 quick actions 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 do my screenshots go on? If you can't find the screenshots you took, don't lose heart. The places where the phone saves screenshots and usual 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 convenience.
These methods work with phones of all operators.
AT&T
Sprint
Cricket Wireless
Virgin mobile
Metro
TracFone
T-Mobile
Simple Mobile
Verizon Wireless
Your phone has a screen resolution 720 x 1440 pixels. So the screenshot will be the same size. And the file size will be 0.1 MB, so calculate 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. But, they have typical details that will help you get the desired result.