Ion-input not focusing on devices but works on browser

Good day team,

I have a mobile app that needs a login form . I did the login form using ion-input . all works well when on browser but when i run the app to release it , the ion-input does not focus anymore. It just remained like been disabled and would not show any keyboard for me in order to type the details.

But i notice works on the same form when I add to the same form having the not working.

Any help will be appreciated.