A few days ago my phone let me know that a software update is available, with the update icon appearing at the top of the screen. I downloaded the new version ("marshmallow" appeared somewhere in the name, that's all I remember) and now my phone has a virus which makes advertisement sounds even when my phone is locked and on silent, an extra unlock screen appears when I try to unlock my phone and I get random app advertisements the whole time while I'm working on the phone.
How can I remove it?! Clean Master does not pick up the virus.
How can I remove it?! Clean Master does not pick up the virus.