problem

[mkc1]

ram management is so poor as compare to android 6.0 .game lagging issue come frequently in android 7.0 and sometime overall system is very slow or take a time to apear screen icons.

[Asok]

bro your phone is limited capability and not supported to the new os
check your system memory and then free up space as possible

[mkc1]

dost you know more about the software application or program.

[mkc1]

do you have any degree?

[Manish95]

pls tell me how I roll back to my old marshmallow...this nougat have many problem

[mkc1]

by using odin software flash the android 7.0 and if you have mandroid 6.0 os using odin put its back in your mobile.

[admin_]

We appreciate your inestimable suggestion. We have noted down your valuable feedback and we will surely share this with our relevant department, any update in this regards will be convey to you via various means of communication.