Get the latest tech news
Google’s Pixel storage issue fix requires developer tools and a terminal
Automatic updates broke your phone; the fix is a highly technical manual process.
Google's automatic update system broke people's devices, but the fix is completely manual, requiring users to download the developer tools, install drivers, change settings, plug in their phones, and delete certain files via a command-line interface. The good news is that, if you've left your phone sitting around in a nearly useless state for the last week or two, following the directions means you won't actually lose any data. First, you'll need to perform the secret action to enable Android's Developer Options (you tap on the build number seven times).
Or read this on r/technology