ChromeOS Kernel Versions
What is a kernver and what does it mean for me?
Section titled “What is a kernver and what does it mean for me?”Kernel versions, often referred to as kernvers, are what Chromebooks use to lock down how low of a version you can update to.
If you are on these kernvers, these are the minimum ChromeOS versions you can use.
| Kernver | Minimum ChromeOS Version |
|---|---|
0 | any |
1 | any |
2 | v111 |
3 | v120 |
4 | v125 |
5 | v132.0.6834.201 |
6 | v138.0.7204.221 |
Determining your kernver
Section titled “Determining your kernver”- Hold Esc + Power + Refresh for a bit less than a second
- Once the recovery screen appears, press Tab
- It should show a line that starts with “TPM:” and ends with “0”, “1”, “2”, “3”, “4”, “5”, or “6”. If it’s a higher number, this doc is probably not up to date. The number it ends with is your kernver.
How to downgrade
Section titled “How to downgrade”For info on how to downgrade, go here.