Introduced on 24 February 2014, it was forked from Android and used on all the devices of the Nokia X family.

[8] The phones were succeeded by low-cost Lumia devices under the Microsoft Mobile brand name.

[9] Microsoft did not release an Android-based device under their own brand until 2020, in the form of the foldable Surface Duo.

[10] The Nokia X software platform was based on the Android Open Source Project (AOSP)[11] and the Linux kernel.

It also encompasses features from the Asha platform, such as the Fastlane notification centre.