fix

config.xml

@@ -1,5 +1,5 @@
 <?xml version='1.0' encoding='utf-8'?>
-<widget id="com.coregrade.users" version="10.0.07" xmlns="http://www.w3.org/ns/widgets" xmlns:cdv="http://cordova.apache.org/ns/1.0">
+<widget id="com.coregrade.users" version="10.0.08" xmlns="http://www.w3.org/ns/widgets" xmlns:cdv="http://cordova.apache.org/ns/1.0">
     <name>CoreGrade</name>
     <description>Intelligent Learning Platform.</description>
     <author email="support@coregrade.com" href="https://www.coregrade.com/">CoreGrade</author>
@@ -11,6 +11,7 @@
     <allow-intent href="sms:*" />
     <allow-intent href="mailto:*" />
     <allow-intent href="geo:*" />
+    <preference name="WKWebViewOnly" value="true" />
     <preference name="CordovaWebViewEngine" value="CDVWKWebViewEngine" />
     <feature name="CDVWKWebViewEngine">
         <param name="ios-package" value="CDVWKWebViewEngine" />

src/app/tab3/tab3.page.html

@@ -1,11 +1,11 @@
 
 
 <ion-content [fullscreen]="true">
-  <ion-header collapse="condense">
+  <!-- ion-header collapse="condense">
     <ion-toolbar>
       <ion-title size="large">Tab 3</ion-title>
     </ion-toolbar>
-  </ion-header>
+  </ion-header -->
 
   <ion-card>