PageRenderer.cs

public class PageRenderer : Xamarin.Forms.Platform.iOS.PageRenderer
{
    protected override void OnElementChanged(Xamarin.Forms.Platform.iOS.VisualElementChangedEventArgs e)
    {
        base.OnElementChanged(e);

        if(e.OldElement != null || Element == null)
        {
            return;
        }

        try
        {
            UpdateStatusBarColor();
        }
        catch(Exception ex)
        {
            Debug.WriteLine($"Error: {ex.Message}");
        }
    }

    private void UpdateStatusBarColor()
    {
        var bar = GetStatusBar();
        bar.BackgroundColor = ColorConverters.FromHex("#fd7b38").ToPlatformColor();
    }

    private UIView GetStatusBar()
    {
        UIView statusBar;
        if (UIDevice.CurrentDevice.CheckSystemVersion(13, 0))
        {
            int tag = 123; // Customize this tag as you want so we don't create it over and over
            UIWindow window = UIApplication.SharedApplication.Windows.FirstOrDefault();
            statusBar = window.ViewWithTag(tag);
            if (statusBar == null)
            {
                statusBar = new UIView(UIApplication.SharedApplication.StatusBarFrame);
                statusBar.Tag = tag;
                statusBar.BackgroundColor = UIColor.Red; // Customize the view

                window.AddSubview(statusBar);
            }
        }
        else
        {
            statusBar = UIApplication.SharedApplication.ValueForKey(new NSString("statusBar")) as UIView;
        }
        return statusBar;
    }
}