The Pencil Method/Pencil Bypass is an unenrollment vulnerability for Chromebooks. Specifically, it allows disabling hardware write protection regardless of FWMP state by physically powering the write-protect pin on the security chip, usually to set GBB flags while still enrolled. The guides I've seen about this aren't bad, but they involve taking a lot of risk, some of which can be lessened if you have the right tools. So here's how you do it!
Caution
This method is very, very risky. I do not advise doing this unless you know that you know what you're doing, as messing up on anything can & will permanently brick your device. If you:
- Completely understand what each step says what to do & what it entails, without having to look anything up.
- Have experience with all of the materials & equipment in this guide.
...then you probably have enough knowledge and confidence to do this. Otherwise, close this tab right now. Either way, I am not responsible for the consequences of