This article is in need of a technical review.
This feature is not on a current W3C standards track, but it is supported on the Firefox OS platform. Although implementations may change in the future and it is not supported widely across browsers, it is suitable for use in code dedicated to Firefox OS apps.
iccInfo is a read-only property that gives access to information stored in the device's ICC card.
var info = navigator.mozMobileConnection.iccInfo
Not part of any specification.