Cors is working in chrome but not in ios simulator

Config.xml```
``?xml version=‘1.0’ encoding=‘utf-8’?>

My Code
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example ltd



























    <splash density="land-xxxhdpi" src="resources/android/splash/drawable-land-xxxhdpi-screen.png" />
    
</platform>
<platform name="ios">
    <allow-intent href="itms:*" />
    <allow-intent href="itms-apps:*" />
    <preference name="iosPersistentFileLocation" value="Compatibility" />
    <icon height="57" src="resources/ios/icon/icon.png" width="57" />
    <icon height="114" src="resources/ios/icon/icon@2x.png" width="114" />
    <icon height="40" src="resources/ios/icon/icon-40.png" width="40" />
    <icon height="80" src="resources/ios/icon/icon-40@2x.png" width="80" />
    <icon height="120" src="resources/ios/icon/icon-40@3x.png" width="120" />
    <icon height="50" src="resources/ios/icon/icon-50.png" width="50" />
    <icon height="100" src="resources/ios/icon/icon-50@2x.png" width="100" />
    <icon height="60" src="resources/ios/icon/icon-60.png" width="60" />
    <icon height="120" src="resources/ios/icon/icon-60@2x.png" width="120" />
    <icon height="180" src="resources/ios/icon/icon-60@3x.png" width="180" />
    <icon height="72" src="resources/ios/icon/icon-72.png" width="72" />
    <splash height="1334" src="resources/ios/splash/Default-667h.png" width="750" />
    <splash height="2208" src="resources/ios/splash/Default-736h.png" width="1242" />
    <splash height="1242" src="resources/ios/splash/Default-Landscape-736h.png" width="2208" />
    <splash height="1536" src="resources/ios/splash/Default-Landscape@2x~ipad.png" width="2048" />
    <splash height="960" src="resources/ios/splash/Default@2x~iphone.png" width="640" />
    <splash height="480" src="resources/ios/splash/Default~iphone.png" width="320" />
</platform>
<plugin name="cordova-plugin-file" spec="^6.0.1" />
<plugin name="cordova-plugin-file-transfer" spec="^1.7.1" />
<plugin name="cordova-plugin-filepath" spec="^1.3.0" />
<plugin name="cordova-plugin-inappbrowser" spec="^3.0.0" />
<plugin name="cordova-plugin-network-information" spec="^2.0.1" />
<plugin name="cordova-plugin-statusbar" spec="^2.4.2" />
<plugin name="cordova-plugin-x-toast" spec="^2.6.2" />
<plugin name="io.gvox.plugin.phonecalltrap" spec="^0.1.2" />
<plugin name="cordova-plugin-whitelist" spec="^1.3.3" />
<plugin name="cordova-plugin-device" spec="^2.0.2" />
<plugin name="cordova-plugin-splashscreen" spec="^5.0.2" />
<plugin name="cordova-plugin-ionic-webview" spec="^1.2.1" />
<plugin name="cordova-plugin-ionic-keyboard" spec="^2.1.3" />
<plugin name="cordova-plugin-android-permissions" spec="^1.0.0" />
<engine name="android" spec="8.1.0" />
<engine name="ios" spec="^5.0.1" />
<engine name="browser" spec="6.0.0" />
<plugin name="cordova-plugin-advanced-http" spec="^2.1.1" />