The operating system initial version installed on the device. This can be used as a substitute for the boolean os properties. Some browsers might have a variable прошивка xbox 360 марьино limit based on the memory used by other applications, in that case 0 will be used.
The ability to display a jpg image embedded in a mobile web page, using a tag such as img or object. The ability to display a png image embedded in a mobile web page, using a tag such as img or object.
Ratio between physical pixels and device-independent pixels dips on the browser.