how to set apple-touch-startup-image for iphone5?

Question

I tried

Answer 1

1.Don't use "width=device-width" for viewport, use codes below:

2.Prepare an image sized 640*1096, save as "Images/Default-568h@2x", add this code to your page's header:

Here's a demo, it's compatible with iPhone5: https://github.com/openfibers/php-tot