When I got the Lollipop 5.0 for my Nexus 7 (2012) it totally 'killed' my tablet. After 4 reformats I finally got things close to 'normal'...and left al but about 5 apps, of any type, OFF my tablet.
Now, thinking that maybe the Lollipop 5.1 might be something that 'fixed' battery issues, I...