I use the AVG free from the Play store. Seems to be OK on mine. Easy to do a manual scan. Doesn't affect speed.
Also has a list of actions and codes for dealing with your N7 if lost.
Must remember to write them down!
Samsung Galaxy S8 review
1995-2015: How technology has changed the world in 20 years
This poetic animation about monsters is illustrated in a Van Gogh painterly style
Apple predictions 2017
Synology invites you to visit them at Insomnia on 26th – 29th August. Book your tickets now and visit Synology.