BadRecovery
BinBashBanana
Formerly OlyBmmer

Website Writeup GitHub

Unenrolling with a recovery image.

    Instructions

  1. Get a recovery image from Chrome100 for a version lower than version 125 for your Chromebook's board.
  2. Visit the BadRecovery Web Builder and upload the recovery image.
  3. Select Auto and wait for the process to complete. The patched image should download automatically.
  4. Flash the recovery image with Chromebook Recovery Utility.
  5. Press Esc + Refresh ↻, then press Power ⏻.
  6. Plug in your USB drive.
  7. Wait for the recovery process to start.
  8. When the BadRecovery screen appears, wait for it to remove FWMP (Firmware Management Parameters) and enable developer mode.
  9. Once its finished, perform an EC (Embedded Controller) reset by pressing Refresh ↻ + Power ⏻.