Can you try to do a df -h ; df -i from the terminal?
Does it also say no space or inodes left?
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Mind you there are two takes on this method, while holding the correct volume button make sure you try both methods:
1 - use the powerbutton to power on
OR
2 - insert a usb cable to power on
I’m stating this so obvious because I’ve flashed at least 40 phones of different manufacturers over 20 years, and in many brands only method 1 or 2 works, but they are usually not mutually exclusive depending on brand.
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Tried that too. No dice.
(I have a working device, just trying to investigate a bit).
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Disk usage overall.
Here is link to df -i printout
df -i
Here is link to df -h printout
df -h
Expires in a week.
Looks like all the goodies came along 
Yesterdays failed upgrade attempt broke something.
C2 cannot download the update any more and hangs in “Waiting for connection”, when trying to fetch update package. #pkcon refresh also hangs.
Otherwise I can open browser and go browsing network (as long as I don’t need to type anything )
On-screen keyboard has stopped working or does not come visible. Cannot write in browser or Notes.
Luckily I can now concentrate on admiring the beautiful sharp foto’s that the camera takes. 
Update 29.10.2024.
- On-screen keyboard magically returned next day. Now I can write in browser and apps.
- Package manager(s) are sort of offline. Updating OS with settings is impossible, because update UI cannot download update package, instead update is hang in “Waiting connection” until timeout.
- Package manager pkcon cannot install anything, propably because it also cannot find any server or update repositories or something.
- Jolla store and Openrepos cannot install anything and do not recognise any installed apps.
- Installed apps cannot be uninstalled from app grid.
So my phone is in kind of Kiosk mode. I can use it, but cannot make software changes
Waiting (patiently) instructions from Jollyboys to learn how to reflash Sailfish OS. 
Update 1.11.2024
I caved in and send service application to Jolla zendesk and eventually send phone to Jollyboys for repairing (=ReFlashing)…
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I have the same issue. My C2 starts, i can enter my security code, but than… wait… wait… wait… watch the turning wheel. But nothing happens. A factory reset would prob. help, but it is not supported, which is very hard for me to beleive.
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Thanks.
Yes, that sounds like a half-the-packages-installed kind of update situation.
I’d hop into the terminal (or rather, ssh) and first try to find out what’s breaking pkcon (very likely the broken part is packagekitd, or dbus itself).
There may be useful packages left at /home/.pk-zypp-dist-upgrade-cache.
If that can be made to work again, something like sfos-upgrade --verify, or very careful use of zypper dup might be able to recover the install/update.
You can also try to look through /var/log/zypp/history and try to find which installation failed, if any.
This story tells about how someone could recover this way from a broken update.
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Hmm. there’s nothing in history relating to Sailfish upgrade…
2024-10-25 10:29:44|command|root@JollaC2|'/usr/libexec/packagekitd'| 2024-10-25 10:29:44|install|harbour-paketti|1.1.1-1|aarch64|root@JollaC2|store|80a8b1c3432766d746401592c4b195767dda660b47fe6afd510dedd33977560f| 2024-10-25 10:30:34|command|root@JollaC2|'/usr/libexec/packagekitd'| 2024-10-25 10:30:34|install|harbour-barcode|1.0.53-1|aarch64|root@JollaC2|store|6b6e769c3671840e856ba57bf17f17e6ede5b3f79f72b8bfae4cb2e6eb971f52| 2024-10-25 10:35:45|command|root@JollaC2|'/usr/libexec/packagekitd'| 2024-10-25 10:35:45|install|harbour-qrclip|1.0.11-1|aarch64|root@JollaC2|store|8a29b9814efdcd103c896805714ac5b1b4aef2a11c29da798ceb20fafbd96733| [root@JollaC2 zypp]#
There are packages in …upgrade-cache directories…
bash: sfos-upgrade: not found
bash: zypper: not found
I’ll look into that Story…
Thank you for your help. 
I noticed that camera app when opened from locked phone froze at one orientation a few times.
I realized that there is not much I can do, so I decided to file a ticket at Zendesk. Guessing I will have to send the phone back to Suomi. 
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Been driving C2 for a day now and besides some android app crashes and network oddities (that seem to correct thenselves like magic) nothing too awfully disturbing happening. WhatsApp didn’t find storage but then it did and Spotify had some trouble connecting to services - both working fine now though.
The device is rather large compared to the Xperia 10 II so that will take some getting used to. The sleeve volume buttons are way stiff and rather annoying to use - good that there are other options.
Camera works nicely, took some sporting event pics yesterday and even though blurry, I’m ok with this, not a pro photographer in any sense. Video is broken though. Since there’s no official channel for CHUM & OBS on this 5.x yet, I’ve just done “zypper ar” to the latest repos and everything installed from those seems to be working fine for now at least.
Needed to copy ‘wget’ and ‘clear’ from the old SFOS-device since they didn’t seem to exist in C2 by default. Now they work without issues too. So far no other extra needs have risen.
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I have received my C2 Phone.
- unfortunately I had to realize that the fingerprint cannot be added during setup because these settings are missing!!!
- the SailfishOS Store also does not work or open smoothly!!!
- when trying to install alternative stores such as Storeman or Chum, they are not displayed on the screen after installation
- when trying to reset the phone to factory settings, unfortunately this setting is also missing!!!
How can I solve this problem or can it be solved in the terminal?
Thank you very much for your help and advice
What makes you think it has a sensor?
This is not comprehensible - you’ll have to be more specific.
For me it has a little bit of more loading time than on my 10 III - that’s it. No functional issues.
This is pretty normal for pre-release versions. Some workarounds have been mentioned, but for basic users the best advice is patience.
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Also called a “lemon” 
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Sorry, it’s an attention error on my part 
It freezes or opens the store sometimes slowly
Careful with that.
It is better to use the built-in function in Chum GUI for that. Otherwise there may be problems later when the repos do become available. (Chum GUI relies on particular names for the repos it manages).
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I have found that after using Android apps, the pulley menu of native apps freezes and the entire app freezes, and ringtones and notification sounds are also muted, which is somehow caused by the “ngfd” process getting stuck.
After killing this process, everything works as expected until the next time you use Android apps.
Thanks for the shout. I was yet unable to install the GUI so will be on standby when that becomes available.
I have all the necessary stuff for personal regular daily usage installed so I removed the repos (for the time being) so there should no longer be such issues. Might need to utilize containers for experimentation on this device to avoid further possible oopsies. 
The C2 is announced and sold as pre-flashed. Therefore it should not be necessary to flash it again. Hopefully the problems can be solved in updates.
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C2 is locked, need “Werkszustand” (german), with a 4 chars security code. After reboot, device wants minimum 5 chars. Uuuuu…
Seen blog post for minimum 5 chars in this forum after first start the C2. Uuuuu…
Hopefully it gives a workaround, CU in the next week!
Greets from germany!