What to do when MMX reg has stopped working on the Micromax Yu Yureka?

mmx reg has stopped working in Yu yureka phone how to rectify it

I have no updates, first I was on lollipop but when I got a problem in my device so i changed my software from that time im having MMX problemĀ 

Hi Kumararaj. Can you check for any updates? Maybe a fix has come out.

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