How to Downgrade Kernel on Debian Sid – Step-by-step

Dowgrading Kernel

2. 2. Enabling Testing/Stable Repo

   How to Add Debian Testing/Stable Repo Preserving System Stability

   Debian Testing/Stable Apt Repo Setup Guide

   Testing Repository Setup Guide
   Stable Repository Setup Guide

   Especially relevant: follow only instructions to Enable just the ‘Security‘ Sources!

3. 3. Downgrading Kernel

   Now to Downgrage Kernel on Debian Sid
   First, Search for the avaiable ones:

   apt search linux-image

   Copy the Kernel ID with Ctrl+Shift+c.
   Especially relevant, then is Critical that you found also the corrensponding Kernel Headers with:

   apt search linux-headers | grep [ID]

   Replace ‘[ID]‘ with that found in the former one.
   The grep Command refine the output List showing only the Entries matching the Keyword.
   Now to Setup Kernel and the matching Headers:

   sudo apt install linux-image-[ID] linux-headers-[ID]

   Last, to Test it Reboot with:

   sudo reboot

So Now I’m truly Happy if My Guide could Help you to Downgrade Kernel on Debian Sid!