The Nexus 7 is a great piece of kit, but some units suffer from a crippling bug that is very simple to fix but can lead you to bash your face against a hard thing in frustration.
If you let the device’s battery run down to absolute zero, it’ll power off like a good little piece of electronics to prevent the lithium polymer battery from exploding.
Unfortunately, in some units, this leads to the battery dipping below baseline voltage and results in the device trying to power on when connected to mains power, running “out of battery” and hard shutting down with a terrifying sound of white noise from the speaker and static on the screen. ...