Utility of HTTP header “Content-Type: application/force-download” for mobile?

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Content-Type: application/force-download means “I, the web server, am going to lie to you (the browser) about what this file is so that you will not treat it as a PDF/Word Document/MP3/whatever and prompt the user to save the mysterious file to disk instead”. It is a dirty hack that breaks horribly when the client doesn’t do “save to disk”.

Use the correct mime type for whatever media you are using (e.g. audio/mpeg for mp3).

Use the Content-Disposition: attachment; etc etc header if you want to encourage the client to download it instead of following the default behaviour.

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