SVG in iOS, wrong parsing

Today, the designer sent me an archive with svg, I added them to the application and received the following picture (for example, because this is repeated with all the svg)

despite the fact that svg itself, including xcode and adobe illustrator and thumbs on macos shows as follows

the svg code looks like this

<svg id="iMap-all" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 366.4 512"> <path d="M183.2,0C82.2,0,0,82.2,0,183.2,0,278,137.1,380.7,176.8,507.4a6.67,6.67,0,0,0,6.3,4.6,6.42,6.42,0,0,0,6.2-4.7c38.5-129.8,177.1-229.2,177.1-324.1C366.4,82.2,284.2,0,183.2,0Zm0,322.2c-79.2,0-143.7-64.5-143.7-143.7S103.9,34.8,183.2,34.8,326.8,99.2,326.8,178.5,262.4,322.2,183.2,322.2Z" fill="#c3181d"/> <circle cx="183.2" cy="178.5" r="143.7" fill="#fff"/><path d="M119.1,168.3a20.27,20.27,0,0,0,13.9,5.6,19.85,19.85,0,0,0,12.8-4.6V129.8H91.4a6.27,6.27,0,0,0-6.3,6.3v17.7a20.1,20.1,0,0,0,20.1,20.1A20.74,20.74,0,0,0,119.1,168.3Z" fill="#2b2b2b"/> <path d="M145.8,179.3a20.08,20.08,0,0,1-26.7-1,20.27,20.27,0,0,1-13.9,5.6,19.71,19.71,0,0,1-9.7-2.5V258a6.27,6.27,0,0,0,6.3,6.3h44Zm-13.9,44.8H111.8a6.27,6.27,0,0,1-6.3-6.3V197.7a6.27,6.27,0,0,1,6.3-6.3h20.1a6.27,6.27,0,0,1,6.3,6.3v20.1A6.27,6.27,0,0,1,131.9,224.1Z" fill="#2b2b2b"/><path d="M267.3,88.7h-109v50.2a20.08,20.08,0,0,0,25.8-1.7,20.27,20.27,0,0,0,13.9,5.6,19.83,19.83,0,0,0,13.9-5.6,20.27,20.27,0,0,0,13.9,5.6,19.83,19.83,0,0,0,13.9-5.6,20.27,20.27,0,0,0,13.9,5.6h0a20.1,20.1,0,0,0,20.1-20.1V95A6.56,6.56,0,0,0,267.3,88.7Z" fill="#2b2b2b"/> <path d="M190.5,264.3V217.8a6.27,6.27,0,0,1,6.3-6.3H227a6.27,6.27,0,0,1,6.3,6.3v46.5h28.9a6.27,6.27,0,0,0,6.3-6.3V146.3a20,20,0,0,1-14.9,6.7h0a19.83,19.83,0,0,1-13.9-5.6,20.27,20.27,0,0,1-13.9,5.6,19.83,19.83,0,0,1-13.9-5.6A20.27,20.27,0,0,1,198,153a19.83,19.83,0,0,1-13.9-5.6,20.08,20.08,0,0,1-25.8,1.7V264.4h32.2Zm18.1-76.6a6.27,6.27,0,0,1-6.3,6.3H182.2a6.27,6.27,0,0,1-6.3-6.3V167.6a6.27,6.27,0,0,1,6.3-6.3h20.1a6.27,6.27,0,0,1,6.3,6.3Zm40.2,0a6.27,6.27,0,0,1-6.3,6.3H222.4a6.27,6.27,0,0,1-6.3-6.3V167.6a6.27,6.27,0,0,1,6.3-6.3h20.1a6.27,6.27,0,0,1,6.3,6.3v20.1Z" fill="#2b2b2b"/></svg> 

That is, with the exception of the curved viewbox, nothing special. I, as a person who understands little in SvG and design, act rather shamelessly, I open this svg in adobe illustrator and save it with standard settings, as a result, its code changes

  <?xml version="1.0" encoding="utf-8"?> <!-- Generator: Adobe Illustrator 19.2.0, SVG Export Plug-In . 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I launch the application and see that everything in the application has become # 000, that is, in this case the “drop” becomes completely black. I tried both JAMSVG and SVGgh and the SVGKit SDK that became part, but the result is the same. Neither the designer nor the others who had previously dealt with the SVG shrug their shoulders, and I myself am not clear, it seems that the obvious path is parsed crookedly, and after saving it is also damn

the same thing happened with monochrome icons, after ai they took the correct form in the appendix instead of a curve, but painted it black. I used to work with the Svg normally.

Any thoughts on what might be causing this?