Note: Some of these notes were saved in a draft and going off of memory. May not be entirely complete.
Basic Steps
Basic steps to flash the factory Android image back onto a Google Pixel 1
- Boot into the boot menu.
- Select recovery
- Select Apply update from ADB
- Sideload the OTA image downloaded below
- Reboot and resetup
Downloading OTA image
You can download the full OTA image from
https://developers.google.com/android/ota