Unrecognized font family Material Icons?

The solution I found is to check if the fonts are added to the UIAppFonts array in the Info.plist file:

<key>UIAppFonts</key>
<array>
 <string>AntDesign.ttf</string>
 <string>Entypo.ttf</string>
 <string>EvilIcons.ttf</string>
 <string>Feather.ttf</string>
 <string>FontAwesome.ttf</string>
 <string>FontAwesome5_Brands.ttf</string>
 <string>FontAwesome5_Regular.ttf</string>
 <string>FontAwesome5_Solid.ttf</string>
 <string>Foundation.ttf</string>
 <string>Ionicons.ttf</string>
 <string>MaterialIcons.ttf</string>
 <string>MaterialCommunityIcons.ttf</string>
 <string>SimpleLineIcons.ttf</string>
 <string>Octicons.ttf</string>
 <string>Zocial.ttf</string>
</array>

For more information here

I am not sure what exactly you are missing in your configuration, so I am gonna state all what I believe is the case:

1. Delete ios/build folder, then try automatic linking: react-native link react-native-vector-icons.

2. Make sure you have checked that the font is copied in the Copy Bundle Resources in Build Phases. If not, re-check the manual configuration steps.

3. Make sure you kill the packager and re-run for changes to take effect.