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Yann Büchau :nixos:

@nobodyinperson.fosstodon.org.ap.brid.gy
31 followers 1 following 711 posts

(he/him) Environmental Scientist/Meteorologist @umphy. Built a low-cost CO₂ sensor network to monitor natural CO₂ emissions (dissertation […] 🌉 bridged from ⁂ fosstodon.org/@nobodyinperson, follow @ap.brid.gy to interact

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Yann Büchau :nixos: @nobodyinperson.fosstodon.org.ap.brid.gy · 4h
Just to be clear: :homeassistant: #HomeAssistant does not have a UI to delete timespans of (bogus/calibration) data? Unless you sift through the various tables in the sqlite db and manually delete the offending rows, those data will forever taint all of your statistics and graphs? 🤔
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Yann Büchau :nixos: @nobodyinperson.fosstodon.org.ap.brid.gy · 21/10/2026
> ls /nix/store/*-php* ls: cannot access '/nix/store/*-php*': No such file or directory Luckily I don't seem to run anything even remotely related to #PHP, so I apparently dodged that bullet. 😌 #nixos
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Yann Büchau :nixos: @nobodyinperson.fosstodon.org.ap.brid.gy · 18/10/2026
Thanks to #Tailscale my #homelab is mobile now. I'm currently in a hotel and this restricted wifi is all it needs to keep my services available publicly, reverse-proxied from a @netcup VPS. (All running :nixos: #NixOS of course, amazing how you can build working qcow2 images with nix, just like […]
fosstodon.org
Original post on fosstodon.org
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Yann Büchau :nixos: @nobodyinperson.fosstodon.org.ap.brid.gy · 16/10/2026
Why exactly did my @CoMaps forget all my gigabytes of recently downloaded maps one second before a trip across Germany now that I have terrible mobile internet?
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Yann Büchau :nixos: @nobodyinperson.fosstodon.org.ap.brid.gy · 15/10/2026
@fabianseyfried Aha! That's mighty well hidden, but okay, good to know, thanks! Now the same for Immich? 😁
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Yann Büchau :nixos: @nobodyinperson.fosstodon.org.ap.brid.gy · 15/10/2026
It's inexplicable to me why apps for #Immich and #Paperless do not have a *button* to upload files from the filesystem. You must use the share-to mechanism from *another* app 🤪 So instead, I just use the webinterfaces (which do have sich a button!), those also have much more features anyway...
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Yann Büchau :nixos: @nobodyinperson.fosstodon.org.ap.brid.gy · 14/10/2026
Wenn jemand von Euch in #Tübingen einen richtig guten #Fitnesscoach / #Personaltrainer sucht, kann ich Luke Selway sehr empfehlen. Auf Englisch. Sehr cooler Mensch, zurückhaltend, nicht aufdringlich, aufmerksam, wirklich interessiert. In Person, online, was man möchte […]
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Yann Büchau :nixos: @nobodyinperson.fosstodon.org.ap.brid.gy · 14/10/2026
The @jolla people are hard at work and keep pushing updates. Great work! forum.sailfishos.org/t/release-note… #JollaPhone2026
forum.sailfishos.org
[Release notes] Finlayson 5.2.0.20 - Jolla Phone first
This is a bugfix release mainly addressing some of the issues found in the previous .18 release. Due to those issues we did not publish that release yet to the other devices like originally planned. Besides the fixes for the regressions in the previous release, there are also some other nice improvements. 5.2.0.20 release highlights AppSupport Improved handling of Android apps call UI microG updated to v0.3.17.252432 DNS handling fixed Video seeking fixed Android app covers showing wrong ...
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Yann Büchau :nixos: @nobodyinperson.fosstodon.org.ap.brid.gy · 13/10/2026
Made a #homeManager module to set #XFCE keyboard shortcuts. Simple, you might think, just set some xfce.settings, right? Wrong, not enough! Apparently, XFCE can only ever have a *single* keyboard shortcut perform one action (such as window tiling operations), so you need to comb through the […]
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Yann Büchau :nixos: @nobodyinperson.fosstodon.org.ap.brid.gy · 12/10/2026
This video of someone revamping #VLC's UI to make it make more sense is hilarious: m.youtube.com/watch?v=ERFeOgqk324&p…
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Yann Büchau :nixos: @nobodyinperson.fosstodon.org.ap.brid.gy · 10/10/2026
Today I randomly visited a Linux install party in French-speaking 🇨🇭 Switzerland. I was warmly welcomed and we kept talking for hours after the event was over. It's amazimg how Linux and free software keeps uniting people across borders and languages. #SuisseRomande #Linux #LinuxDay […]
fosstodon.org
Original post on fosstodon.org
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Yann Büchau :nixos: @nobodyinperson.fosstodon.org.ap.brid.gy · 09/10/2026
I'm moving back to #tmux. #zellij is too weird. Too much fiddling with theming (tmux doesn't need theming to make it readable), zellij messes up emojis (tmux just does it correctly), and overall I just tried too hard to make zellij behave exactly as my tmux setup. So why not just stay on tmux.
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Yann Büchau :nixos: @nobodyinperson.fosstodon.org.ap.brid.gy · 09/10/2026
Now I can finally charge that thing via *real* USB 😅
A USB power brick charging a Philips shaver via USB using a 3d printed adapter from USB-C to its proprietary connector
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Yann Büchau :nixos: @nobodyinperson.fosstodon.org.ap.brid.gy · 09/10/2026
I do like that #SolveSpace can load images (though only pngs...) for reference to design your model around. But I really wish it was a *little* easier to auto-scale it to its real dimensions 😅
Solvespace screenshot, showing a loaded photo of a Philips OneBlade shaver's charger socket with a caliper placed on top for reference. Five contruction lines are constrained with five angles, just so one dimension (60mm on the caliper) can be calibrated to have proper dimensions in SolveSpace.
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Yann Büchau :nixos: @nobodyinperson.fosstodon.org.ap.brid.gy · 09/10/2026
Long shot but can anyone tell me which one of these Philips OneBlade QI 1864 charger socket pins is 5V and which is GND? Before I just YOLO it and potentially fry it? 😅 I lost the USB to proprietary cable, multimetering the socket didn't help and this info is […] [Original post on fosstodon.org]
Philipps OneBlade QI 1864 shaver 5V 1A charger socket, two pins in a slot hole with two indents at the bottom and at the top.Philips OneBlade QI 1864 shaver
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Yann Büchau :nixos: @nobodyinperson.fosstodon.org.ap.brid.gy · 08/10/2026
@vrtxd That's right. In zotero you need to add a plugin that auto-exports to bib[la]tex. However I find #Zotero's PDF editor and collaborative syncing workflow totally superior. I was working with #kbibtex for a very long time, which is also jist a frontend for a .bib file. Problem is that […]
fosstodon.org
Original post on fosstodon.org
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Yann Büchau :nixos: @nobodyinperson.fosstodon.org.ap.brid.gy · 08/10/2026
What a disaster it is to transfer your hard #literaturesResearch work from one #Zotero account to another... 😩
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Yann Büchau :nixos: @nobodyinperson.fosstodon.org.ap.brid.gy · 08/10/2026
Man the #Threema desktop flatpak ap really has some rough edges. It's *unbelievably* slow, chokes on voice message playback so one needs to restart it, stops any voice message playback if another message arrives (wtf), and other annoyances...
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Yann Büchau :nixos: @nobodyinperson.fosstodon.org.ap.brid.gy · 08/10/2026
I made the decision to buy a domain matching my surname büchau.de which has a German Umlaut ü in it. Now this has some 'funny' consequences: - #Firefox not auto-completing those urls in the urlbar, - ssh choking on the umlaut (must use punycode), - paranoid browsers like #Librewolf […]
fosstodon.org
Original post on fosstodon.org
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Reposted by Yann Büchau :nixos:
Tim Carmody @tcarmody.bsky.social · 02/10/2026
This is the funniest thing I've seen today, possibly ever
A tweet by SarahStarberry that says "oh god read the vertical axis" on top of a chart measuring AI models' release dates and model numbers rather than any real capabilities
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Yann Büchau :nixos: @nobodyinperson.fosstodon.org.ap.brid.gy · 03/10/2026
I'm using both #restic and #borg now because restic apparently doesn't have a problem with a slow mounted samba share as target. So far I much prefer borg, as it gives you more info more quickly. And apparently restic doesn't do 'checkpoints' during a backup, so if the initial backup of a […]
fosstodon.org
Original post on fosstodon.org
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Yann Büchau :nixos: @nobodyinperson.fosstodon.org.ap.brid.gy · 30/09/2026
I really love :nixos: #NixOS for stuff like this: It has annoyed me for the longest time that :xfce: #XFCE's terminal doesn't make urls with unicode characters (i.e. German umlauts äöü) clickable properly. It also has a pretty small hard-coded list of allowed […] [Original post on fosstodon.org]
git diff showing an added nixpkgs overlay for xfce4-terminal applying a simple patch that allows hostanmes with unicode characters (\p{L} and \p{N}) instead of the upstream [[:ascii:]] and [[:graph:]] logic that does not seem to work.
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Yann Büchau :nixos: @nobodyinperson.fosstodon.org.ap.brid.gy · 29/09/2026
@lahminewski Vous allez me mettre à la porte si j'arrive avec #NixOS? 😅
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Yann Büchau :nixos: @nobodyinperson.fosstodon.org.ap.brid.gy · 29/09/2026
@lahminewski Super, je viendrai de #Tübingen, pourquoi pas 😅
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Reposted by Yann Büchau :nixos:
Låhminėwskī ⚒️ @lahminewski.tooting.ch.ap.brid.gy · 28/09/2026
Atelier d’installation de Linux. Fais passer #windows par la fenêtre et adoptes la pingouin’ttitude ! 📅 Samedi 10 octobre 2026 🕤 10:00 - 16:00 📌 Au #FabLab, à la #chauxdefonds :ch_Neuchatel […] [Original post on tooting.ch]
Lors de cet évènement :
-Appareils sous linux à disposition pour tâter.
-Un peu de glouglou et de miamiam
-Une équipe d’expertes qui vous accompagnent dans la migration vers un système d’exploitation plus convival, respectueux de votre vie privée et éthique.
-Un espace sympa pour papoter informatique libre mais pas que !

On tente touxtes de manger bio ou de consommer responsable, pourquoi pas dans notre informatique aussi.

Samedi 10 octobre 2026
10:00 - 16:00
Au FabLab, à la Chaux-de-Fonds
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Yann Büchau :nixos: @nobodyinperson.fosstodon.org.ap.brid.gy · 28/09/2026
The absolutely most unnecessary :nix: #nix error ever: error: cannot coerce an integer to a string: 50000 So nix can't coerce integers to a string, okay. But what's that '50000' back there in the error message, then, huh? 😅 As if it wasn't 100% clear that people want the unambiguous decimal […]
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Yann Büchau :nixos: @nobodyinperson.fosstodon.org.ap.brid.gy · 24/09/2026
Added a :nixos: NixOS and home manager option to pick certain packages by name from other packagesets like nixpkgs-unstable: { nixpkgs.overlayPackages.from.nixpkgs-unstable.packageNames = [ "firefox" "zellij" ]; } Unless specified uses a heuristic to grab the packageset from flake inputs […]
fosstodon.org
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Yann Büchau :nixos: @nobodyinperson.fosstodon.org.ap.brid.gy · 21/09/2026
I put this up in our uni's restroom in case somebody needs toilet paper
photo showing the inside wall of a restroom, showing a printed A4 paper titled "Need toilet paper?", with a two-sided scan of toilet paper below and a QR code redirecting to https://archive.org/download/toilet-paper_202609/toilet-paper.pdf
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Yann Büchau :nixos: @nobodyinperson.fosstodon.org.ap.brid.gy · 20/09/2026
Tested it for you: the Epson WS-580W only scans a meter of toilet paper... 🧻 #paperless
scanned toilet paper screenshot
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Yann Büchau :nixos: @nobodyinperson.fosstodon.org.ap.brid.gy · 17/09/2026
I'm in the process of converting an #mdadm RAID10 to a #btrfs RAID10 while preserving the data. My current strategy is: · ✅ 1 of the 4 disks → btrfs · ✅ enlarge that disk with another random btrfs disk · ⏳ copy the 6TB borg repo from the remaining 3 mdadm disks to the new small btrfs pool · […]
fosstodon.org
Original post on fosstodon.org
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Yann Büchau :nixos: @nobodyinperson.fosstodon.org.ap.brid.gy · 17/09/2026
Amazing was: - Graphical installer can now format with #btrfs and set up full-disk encryption with #LUKS (it previously couldn't) Very annoying roadblocks after installation were: - git not preinstalled - in #xfce there's no archive manager preinstalled to open zip files #nixos
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Yann Büchau :nixos: @nobodyinperson.fosstodon.org.ap.brid.gy · 17/09/2026
Helped my boss install :nixos: #NixOS on a used #Lenovo #ThinkCentre he bought for his music workstation. The initial setup is really challenging for beginners. But once it works, it'a amazing to have the same environment on all machines. I made him an 'update' alias that updates the flake […]
fosstodon.org
Original post on fosstodon.org
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Yann Büchau :nixos: @nobodyinperson.fosstodon.org.ap.brid.gy · 16/09/2026
Wow, #zellij apparently has problems with some emoji... 😑 #tmux does that better...
two xfce4-terminal instance with vanilla tmux and zellij open.

tmux shows ℹ️   ⚠️   🥳  😑 (correct)
zellij shows ℹ   ⚠   🥳  😑 (incorrect)
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Yann Büchau :nixos: @nobodyinperson.fosstodon.org.ap.brid.gy · 14/09/2026
My colleague has built himself a press from wood, dowels, glue and two aluminum plates. The press has a lever you can sit on to exert the pressure onto a 3D printed inked template. This is one of his first results and I love it! 🤩 #frog #3dPrinting #medieval #LARP
black and white parchment print of a frog standing on its hind legs, raising its arms into the air and looking funny. Below the German letters "Frosch!" (frog) in Schabacher font.same photo but from a different angle, subtle reflections show the ink's relief
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Yann Büchau :nixos: @nobodyinperson.fosstodon.org.ap.brid.gy · 10/09/2026
The Telekom guy brought his fancy measurement device and it greenlighted the hardware connection in the house. But as soon as we powered up the FritzBox (just the power supply, not even the DSL cable!), his fancy device started showing DSL errors. 🤪
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Yann Büchau :nixos: @nobodyinperson.fosstodon.org.ap.brid.gy · 10/09/2026
What an absurdity. I had to move our FritzBox router and thus replug it. Internet was completely broken afterwards. Turns out, the entire street was affected! 😵 Took the Telekom guy the entire morning to pinpoint this. Apparently, replugging subtly broke our FritzBox or its power in a way that […]
fosstodon.org
Original post on fosstodon.org
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Yann Büchau :nixos: @nobodyinperson.fosstodon.org.ap.brid.gy · 09/09/2026
:nixos: #nix on :sailfishos: #SailfishOS on the new #JollaPhone 😎 I have finally begun sorting my user config into #homeManager in a way that I can directly reuse on my phone. Really nice having your exact, comfy shell environment right and natively in your pocket.
hyfetch run on SailfishOS (logged in via ssh, screenshot from xfce4-terminal)

defaultuser in 🌐 JollaPhone2026 in …/nixconfig on  main [!+] took 2s21ms     
🐟 ❯ nix run nixpkgs#hyfetch 2>/dev/null                                       
                 _a@b             defaultuser@JollaPhone2026                   
              _#b (b              --------------------------                   
            _@@   @_         _,   OS: Sailfish OS 5.2.0.17 (Finlayson) aarch64 
          _#^@ _#*^^*gg,aa@^^     Host: MT6858                                 
          #- @@^  _a@^^           Kernel: 6.12.38-4k                           
          @_  *g#b                Uptime: 3 hours, 5 mins                      
          ^@_   ^@_               Packages: 871 (rpm), 302 (nix-user)          
            ^@_   @               Shell: fish 4.2.1                            
             @(b (b               Resolution: 1032x2272                        
            #b(b#^                WM: ^weston$                                 
          _@_#@^                  Terminal: /dev/pts/0                         
       _a@a*^                     CPU: ARM Cortex-A55 (8) @ 2.0GHz             
   ,a@*^                          Memory: 4.51 GiB / 11.32 GiB (39%)           
                                  Network: Wifi6
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Yann Büchau :nixos: @nobodyinperson.fosstodon.org.ap.brid.gy · 08/09/2026
Wow, #zellij can now resize panes with the mouse. I'll give it another try. With a bit of massaging it behaves enough like my current #tmux setup.
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Yann Büchau :nixos: @nobodyinperson.fosstodon.org.ap.brid.gy · 08/09/2026
For several days now my DSL Internet at home is broken (because I moved the cabinet?), so my #homelab and its web infrastructure is unavailable - even locally because of CSRF and https annoyances. 🙄 Single point of failure, huh... At least anything :gitannex: #gitAnnex is reliable as ever - […]
fosstodon.org
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Yann Büchau :nixos: @nobodyinperson.fosstodon.org.ap.brid.gy · 31/08/2026
Would be great if #Immich could just eat audio-only files as well. Immich is great to dump all kinds of photos and videos into, but sometimes you also want to preserve and categorise voice messages or silly recordings. Not really different from a video with a stillframe...
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Yann Büchau :nixos: @nobodyinperson.fosstodon.org.ap.brid.gy · 29/08/2026
Today, a neighbour cut off his EV charging cable with his hedge trimmer 🙃
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Yann Büchau :nixos: @nobodyinperson.fosstodon.org.ap.brid.gy · 24/08/2026
@dryak Videocalls also needs selfie cam for example. But yeah those problems are seemingly gone with the new Jolla phone.
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Yann Büchau :nixos: @nobodyinperson.fosstodon.org.ap.brid.gy · 23/08/2026
@dryak Yes, that's also my understanding. What I meant was that on my Xperia 10iii: - The camera would randomly just not save photos/videos. Extremely frustrating. - The dance with getting all three backcameras to work, and that you had to choose whether you want the front camera (exclusive)or […]
fosstodon.org
Original post on fosstodon.org
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Yann Büchau :nixos: @nobodyinperson.fosstodon.org.ap.brid.gy · 23/08/2026
- 🛰️ GPS fix is much faster, also due to #BeaconDB #JollaPhone
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Yann Büchau :nixos: @nobodyinperson.fosstodon.org.ap.brid.gy · 21/08/2026
@rubdos It's this one from @pine64eu: pine64.org/devices/pinepower_desktop It also has wireless charging (which I can't use 😅). We had two of those at work, one broke 🤷. Overall a good device.
pine64.org
PinePower Desktop
PinePower: A 120W Desktop Power Supply The PinePower Desktop is a 120W switching power supply capable of powering all your PINE64 devices. The desktop PinePower can charge the Pinebook Pro, PinePhone, PineTab and the PineTime simultaneously with plenty of headroom to spare.
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Yann Büchau :nixos: @nobodyinperson.fosstodon.org.ap.brid.gy · 21/08/2026
@rubdos Tested charging the #JollaPhone with my #PinePower charging station. Charging via USB-C PD port is inconsistent, it first tries like 8V (wtf), and then either drops to 5V1A (couldn't reproduce in the video though), or goes to 9.5V@2.9A (~30W). The other USB-A ports all settle at 5V2A (~10W).
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Yann Büchau :nixos: @nobodyinperson.fosstodon.org.ap.brid.gy · 21/08/2026
@kiera Interesting, doesn't that just brute-force stack all those spheres? 🤔
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Yann Büchau :nixos: @nobodyinperson.fosstodon.org.ap.brid.gy · 21/08/2026
#JollaPhone charges very slowly. I read that they're working on it. But I'm used to ridiculously slow charging phones, so not a surprise to me...
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Yann Büchau :nixos: @nobodyinperson.fosstodon.org.ap.brid.gy · 21/08/2026
Not NixOS, but the nix package manager: forum.sailfishos.org/t/installing-t…
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Yann Büchau :nixos: @nobodyinperson.fosstodon.org.ap.brid.gy · 20/08/2026
- 😑 bluetooth seems to be utterly broken though forum.sailfishos.org/t/jolla-phone-…
forum.sailfishos.org
Jolla Phone (2026) Bluetooth crashes randomly
This bug is weird as hell.. 1st connection to BT in car worked.. then 2nd start didn’t connect to car radio automatically. Manually worked. After I came home and wanted to pair my BT speaker it’s not possible. Restarting bluebinder also bluetooth services didn’t help. Restart bluetooth service, can search new devices, unfortunately they disappears after few seconds, and pairing is not possible :-/ I didn’t think, that BT can be worse than on Xperia 10V, unfortunately is 😃
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