when i have upgraded my moto g2 to marshmallow, upto some time, my mobile was working properly but after some time my mobile touchpad was not working properly. when i press power button 2-3 times then it works properly & this problem occurs too much time. when i have shown my handset in service centre they have reinstall marshmallow but my problem was not solved & again when i have shown my handset they told me that there would be problem of touchpad but i dont understand if it is a problem of touchpad then, my mobile touchpad must not work fully but it works some times very good. what should i do? pls suggest me