I,m thinking of upgrading my Pi-Os and I do not know for sure if Bulleseye is fully trustable and might have a glitch on me. Does it have aney problems, can I trust it, or is it dangerous or hard to install?

Thank's for your time.

  • I just want to know if it's safe. :)
    – Frank
    Commented Nov 22, 2021 at 23:45
  • 1
    perfectly safe, runs perfectly well on 5 of my pi's (2xpi4, 1xpi3b, 1xpi3a+, 1xcm4)
    – Bravo
    Commented Nov 23, 2021 at 1:49
  • 2
    See Bullseye - Comments and bug reports thread and form your own opinion.
    – Milliways
    Commented Nov 23, 2021 at 3:11
  • 1
    install it without risking my data - whenever you install raspberry pi OS, you install a base system - are you asking about upgrading to bullseye? That has an 80% success rate (for me, 4 out of 5 upgraded without an issue) ... to not risk your data, you would make a backup image of your current install, then upgrade (following instructions found on Raspberry PI's own forum) - so, if you plan ahead, there's absolutely zero risk to your data
    – Bravo
    Commented Nov 23, 2021 at 5:18
  • 1
    by the way, the link to the upgrade instructions is forums.raspberrypi.com/viewtopic.php?t=323279 - I succeeded on 2xPi4, pi3B and CM4 - only failure was on a pi3A+ - however, I may have forgotten to apt get update && apt get upgrade in buster before starting the upgrade to bullseye
    – Bravo
    Commented Nov 23, 2021 at 5:20

2 Answers 2


You are right, it is never a good idea to deploy a newly released OS into a production environment without thorough testing first. Fortunately, the Raspberry Pi itself is primarily a test environment anyway.

One thing you could try is to simply power down your Pi, remove the SD card, mount another, newly flashed SD card with Bullseye on it, then mount your old SD card in a card reader via the Pi's USB port. This way you can boot the Pi from Bullseye, and still have access to your data. If you encounter any issues with the rollout, simply swap the SD cards back over, and resume booting from your former OS installation.

  • Thanks! I wanted to see if anybody had any problems with it.
    – Frank
    Commented Nov 23, 2021 at 16:53
  • While other people's experiences may be somewhat helpful, what really matters is how it will work in your own environment, for your purposes. Someone else here mentioned "a couple glitches with the audio", but if you don't need audio, that won't bother you. I think the common acronym explaining this is "YMMV". 😃
    – Fritt Ro
    Commented Nov 23, 2021 at 23:40
  • So, how would I get rid of that problem if I got it?
    – Frank
    Commented Nov 23, 2021 at 23:44
  • Well, I'm only new to SE as well, but I gather that the idea is to ask about problems that you currently have, and not "what if" situations. It seems that @random_ubuntu_user found a solution to that particular problem, and might post such a solution for you. All I'm saying is, not all known bugs and issues affect everyone the same, depending on what is important to you.
    – Fritt Ro
    Commented Nov 23, 2021 at 23:52

I've been using it for a while. I have had a couple glitches with the audio, but I worked them out. It is very trustable, fast, and stable. A 5-star rating by me.


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