Lg stylo 3 plus notifications

[bella3736]

my phone is giving me notifications when there is none. Take screenshots. Use camera go to web sites and. I get notifications. I have done a master rest still have issues.
Please help me

 

[B. Diddy]

Welcome to Android Central! Is it the same notification tone as the default one, or does it sound different? Does it go away if you turn off NFC?