I have already tryed to install status-bar plugin, but nothing happens
You need to configure the statusbar.
As example in your main.ts you can set it up globally.
// let status bar overlay webview
this.statusBar.overlaysWebView(true);
// set status bar to white
this.statusBar.backgroundColorByHexString('#ffffff');
You can style your Statusbar individually aswell for example if you don’t want the statusbar on a specific Page you can hide it or recolour it! 
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