The following dpi media query test works in Opera 10.00 WinXP, in Opera Mobile 9.5 on HTC Touch Diamond (Win Mob 6.1), but not in Opera 9.6 on Samsung H1 (for Vodafone). That last browser shows all paragraphs. It seems to execute all media queries.
The same happens on the main test page, but I created this simplified test page to exclude all other options.
Media queries for dpi do not work.
Dpi is more than 96.
Dpi is less than 96.
Dpi is 96.