Blank Screen issue when deployed to IOS

Ionic:

Ionic CLI : 5.2.7 (/usr/local/lib/node_modules/ionic)
Ionic Framework : @ionic/angular 5.5.2
@angular-devkit/build-angular : not installed
@angular-devkit/schematics : 10.0.8
@angular/cli : 10.0.8
@ionic/angular-toolkit : 2.3.3

Cordova:

Cordova CLI : 9.0.0 (cordova-lib@9.0.1)
Cordova Platforms : ios 5.1.1
Cordova Plugins : cordova-plugin-ionic-keyboard 2.2.0, cordova-plugin-ionic-webview 4.2.1, (and 4 other plugins)

Utility:

cordova-res : 0.14.0 (update available: 0.15.2)
native-run : 1.0.0 (update available: 1.3.0)

System:

Android SDK Tools : 26.1.1 (/Users/myname/Library/Android/sdk)
ios-deploy : 1.9.2
ios-sim : 8.0.2
NodeJS : v12.18.3 (/usr/local/bin/node)
npm : 6.14.6
OS : macOS Catalina
Xcode : Xcode 12.3 Build version 12C33

I am not really sure where i am doing wrong… When app is installed on the device it just gives me a blank screen and it never disappears…

Could you please run the app in xcode simulator and share the logs in detail ?