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- First crop the image in the image editor of your choice;
- Save the cropped image in . ico format (one size I use is 34x34 pixels);
Add this code between the < header > < /header > tags in your html:
< header >
< link rel="shortcut icon" href="pastaDaImg/favicon.ico" type="image/x-icon" / >
< /header >
Remember to put the right path from where your image is there on the way href=""
Possible duplicate of Site icon in Shortcut when adding site to mobile screen on Chrome has Android option
– hugocsl
Here’s your answer https://answall.com/questions/304704/%C3%8Dcone-do-site-no-shortcut-to-add-site-to-a-screen-do-celular-na-op%C3%A7%C3%A3o-que-o/304708#304708
– hugocsl