Font Awesome & Unicode

You must use the fa class:

<i class="fa">
   &#xf000;
</i>

<i class="fa fa-2x">
   &#xf000;
</i>

It does not work, because <i>&#xf015;</i> simply asks the browser to display the Private Use code point U+F015 using an italic typeface. The Font Awesome CSS code has nothing that would affect this. If you add class=icon-home to the tag, you will get the glyph assigned to U+F015 in the FontAwesome font, but you will get it twice, due to the way the Font Awesome trickery works.

To get the glyph just once, you need to use CSS that asks for the use of the FontAwesome font without triggering the rules that add a glyph via generated content. A simple trick is to use a class name that starts with icon- but does not match any of the predefined names in Font Awesome or any name otherwise used in your CSS or JavaScript code. E.g.,

<i class=icon-foo>&#xf015;</i>

Alternatively, use CSS code that sets font-family: FontAwesome and font-style: normal on the i element.

PS. Note that Private Use code points such as U+F015 have, by definition, no interoperable meaning. Consequently, when style sheets are disabled,  will not be displayed as any character; the browser will use its way of communicating the presence of undefined data, such as a small box, possibly containing the code point number.

I got a simillary problem using unicode and fontawesome. when i wrote :

font-family: 'Font Awesome\ 5 Free';
content: "\f061"; /* FontAwesome Unicode */

On google chrome, a square appear instead of the icon. The new version of Font Awesome also requires

font-weight: 900;

That's work for me.

From : https://github.com/FortAwesome/Font-Awesome/issues/11946

Hope that's will help.

For those who may stumble across this post, you need to set

font-family: FontAwesome; 

as a property in your CSS selector and then unicode will work fine in CSS