Ionic app stays on white screen after splash screen

hey community, I have an issue and unpredictable behavior in my app. Its builds fine, but when I run it on the device, it shows the splash screen after which I get a white screen , initially been loading but some views will show the content they intend to show and on the next load, they load nothing.

ionic info

Ionic:

Ionic CLI : 6.9.1 (C:\Users\Newtoxton\AppData\Roaming\npm\node_modules@ionic\cli)
Ionic Framework : @ionic/angular 5.0.0
@angular-devkit/build-angular : 0.803.25
@angular-devkit/schematics : 8.3.25
@angular/cli : 8.3.25
@ionic/angular-toolkit : 2.1.2

Cordova:

Cordova CLI : 9.0.0 (cordova-lib@9.0.1)
Cordova Platforms : android 8.1.0, ios 5.1.1
Cordova Plugins : cordova-plugin-ionic-keyboard 2.2.0, cordova-plugin-ionic-webview 4.1.3, (and 17 other plugins)

Utility:

cordova-res : 0.14.0
native-run : 1.0.0

System:

Android SDK Tools : 26.1.1 (C:\Users\Newtoxton\AppData\Local\Android\Sdk)
NodeJS : v10.16.3 (C:\Program Files\nodejs\node.exe)
npm : 6.14.5
OS : Windows 10