why there is a pop up mesage belpw the screen on my phone like send dat recieve data clpse channel?

[AC Question]

When I am not even doing any thing in my phone still I am receiving a pop up msg below the screen on my lenovo k3 note..it actually says send data close channel and receive these three message pop regularly.. Help me plz

 

[Vivek Sharma20]

When I am not even doing any thing in my phone still I am receiving a pop up msg below the screen on my lenovo k3 note..it actually says send data close channel and receive these three message pop regularly.. Help me plz

 

[AlphaTango414]

Haven't seen this before. Let me look around.