how do I delete the downloaded marshmallow 6.0.1 file? I do not want to update the OS

[AC Question]

I have downloaded the marshmallow 6.0.1 system update on my samsung galaxy tab s2 but I prefer staying under lollilop. Now I get permanent reminders to update the OS. How can I delete the OS update file and the remouve the reminders?

 

[anon(9983233)]

Possible Solution:

Downgrade from Marshmallow 6.0 to Lollipop 5.1.1 - JFP