Stuck on logo while sign in through mobileapp

Hello.. I bought Razer Raiju Tournament Edition today.. So i download razer raiju for PS4 app on android, but can't connect with the controller.. I have no idea why is that.. So i download the app on my other phone ( iphone ) and connection success but when I want to set up a few profile, i click sign in, it got stuck on loading logo forever.. It's getting frustrated.. Please help me..