Reduce splash screen and white screen time in ionic 2

How can i reduce the white screen time because when i try “

<preference name="SplashMaintainAspectRatio" value="true" />
    <preference name="SplashScreen" value="screen" />
    <preference name="SplashScreenDelay" value="1000" />
    <preference name="FadeSplashScreen" value="true" />
    <preference name="AutoHideSplashScreen" value="false" />
    <preference name="FadeSplashScreenDuration" value="300" />

”, total splash screen is take 8 to 9 second, it display 1 second for splash screen and 7 to 8 second extra (i mean white screen but background same as splash screen). i required to set total time 4-5 second for starting my app.
please help me…!