The phone runs KaiOS, a forked version
of the Firefox OS.
Apparently, the handset has been running the following OS version at some point in time - forked version
of Android via Nokia X, Firefox OS, Windows RT, Windows Phone 8, Windows Phone 7.
of Android that does not give access to Google Play and requires
It runs on KaiOS, which is a forked version
of the Firefox OS and currently supports apps such as JioTV, JioMusic, and more.
It is worth mentioning that, the Nokia X series of phones run on forked version
of Android OS in combination with Nokia X UI.