#Fixing Nexus 7 with Lollipop Slowness
After upgrading my Nexus 7 tablet to Lolliop, my machine essentially became unusable. Everything was slow to start, if it started at all, and I began to wonder if my beloved tablet was channeling the ghosts of Windows 98.
There are many guides to fixing this problem on the web (probably the best one is here ), but none of the suggestions made a significant and lasting difference. That is, until I decided to do this.
Put the device into developer mode:
Settings -> About Tablet -> [Touch Build Number 7 times]