Ion-input model is not working when building for --prod

Hi Folks,

seeing weird issue when build for prod -

ionic cordova build android --prod , works fine when building to dev mode.

ionic info below -


    @ionic/cli-utils  : 1.19.1
    ionic (Ionic CLI) : 3.19.1

global packages:

    cordova (Cordova CLI) : 7.1.0

local packages:

    @ionic/app-scripts : 3.1.6
    Cordova Platforms  : android 6.3.0
    Ionic Framework    : ionic-angular 3.9.2

System:

    Android SDK Tools : 26.1.1
    Node              : v8.9.1
    npm               : 5.5.1
    OS                : Windows 10

Environment Variables:

    ANDROID_HOME : C:\Android\sdk

Misc:

    backend : pro

booting is pretty cool with prod build pls suggest some work around.