A user manual for Android 4.2 listed on Official Micromax Webpage first spotted by Gogi.in reveals that Micromax A106 might after all be the upcoming Micromax phone with Android 4.4 KitKat.

The major advantage include immersive mode, support for cloud based printers, better caller ID, support for step counter and step detector used in fitness apps and more lock screen features. However, the best part is that KitKat has been optimized to run even on entry level Android hardware, which implies it will provide you with a much appretiated performance boost. No hardware specs have been mentioned for Micromax A106, but it does comes with removable battery and a microSD card slot like most other Micromax smartphones. From the images it gives the impression of a budget smartphone. We will update you with more details as soon as the phone goes official! Stay tuned. [User Manual] | Source