There is a really annoying bug in Android that makes your Home and Recents buttons disappear and prevents the notification shade from working. It only happens after flashing an OS update without wiping, but since I've now run into this issue at least 3 times after updating my Nexus devices, and it's a pain to find any info on how to fix it online, it's time for a quick post.

Specifically, I just flashed the updated LPV81C L preview build on top of LPV79 (again, I did it without wiping data - just open the flash-all script and remove "-w" to do so) and observed the Nexus 5 boot into this:

wm_Screenshot_2014-08-07-13-50-13

If the buttons disappear for you for the first time, you will be stumped.

Read More