No typo? For me the last update is 5.0.0.21.
Yes, sorry, my bad. 5.0.0.21 meant.
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I received it on Monday after DHL went 'round Europe to get it to me.
It was shut down, 50% percent, plugged it in and the charging ‘act dead’ screen started, then I think I had to power on for the language selection. Lucky me, touchscreen worked, wifi worked, enabling developer mode worked. I made a copy of the recovery partition…
As others have tried already, I didn’t find a way to trigger fastboot mode. Recovery mode might be disabled because it is a soft boot into the same kernel nowadays, but no power/volume/USB combinations helped me.
The device is bigger than my Xiaomi Mi Note, however, without the rubber case, it is comparable with that one (with the case). But it is also lighter and thinner, and I really appreciate the flat screen (as opposed to the rounded Xiaomi one).
The build quality is very good, my intuition says that this was a device to show off, from the outside 
It is also a smudge magnet 
The rest of the hardware is pretty mediocre, but the screen is bright enough, sharp enough (one zooming homescreen animation shows a bit antialiasing flicker and that’s all) so I am happy. Camera is mediocre, vibration is alright, but speaker is tinny. Also, lack of other peripherals as known.
I’m trying to post some semi-darkness IPS comparisons with Xperia 10 mark1. You will notice diagonal shots are the worst - that is the reality of these displays.
All pictures are with the same 1/20 exposure F4 same lens etc.
Now from the bottom, there was some computer monitors light when turned them off, notice that C2 lowers the brightness. So, bottom, full dark vs some ambient light:
(the Xperia might have still caught a ligth from another room, but you get the dimming difference)
Bonus picture: Xperia 10, Zenfone 8, Mi Note 10, Jolla C2
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What do you think, should a new topic be started for those whose device gets stuck after entering the security code? If so, which line should we start on?
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1:1 my story
Hi,
I got my C2 today. After setup I updated to latest OTA 5.0.0.21.
There is a problem with Camera application.
I get a test pattern when I open it:
I can not take pictures or record videos.
Any idea what could be the issue?
Thanks!
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Looks like the gstreamer-droid plugin got blacklisted. Try removing the ~/.cache/gstreamer-1.0 dir (or move it aside) and restart camera
Did you update to 5.0.0.21 where the browser is updated?
My C2 is still in version 5.0.0.5, update menu is blocked at waiting for connexion…
I’ll try to force the update with another Wifi network and update my feedback after the update
I got mine. It was powered off and hat about 30% battery. First I charged it to 100%. Then did the first steps with an exact 5 digits security code and 5GHz Wifi. Updated the os. Enabled dev mide. Then I keept it powered on. That is over 4 days ago and battery is at 77%. I’ll wait for the next OTA update to configure it and use it as a daily driver.
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For me the C2 so far seems to work fairly well, but I did not have too much time to test yet. Init, Update etc. went fine. Also calling with 4g seemed to work, at least the sceen was showing 4g. Also internet in the Jolla Apps work.
What did not work so well:
Some Apps like Contacts have long start time or even crash on first try, but usually work on second try. Android stores do not get any internet connection.
Oh, wait, no that I try it again, actually the Aurora store for the first time shows something useful. Maybe it only works via Wifi? I tried via SIM before. So now I could install some Android app, and it seems to work. Sweet. 
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After update to 5.0.0.21 (Thanks Filip.k) :
Data (4G)
Sending Calling
Receiving Calling (Orange France)
Receiving SMS
Sending SMS (Orange France)
DTMF not working on call
Wifi now negotiate on 5 Ghz displayed at 54 Mb/s but negociate faster
predictive keyboard not working
no fingerprint sensor 
browser updated, I note some improvement on previously unsupported websites.
need more test but first impression is better.
+
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Managed to setup mine, updated to 5.0.0.21. Mostly seems to work, except some apps that install, but do not show in the menu (Chum included as noted before). AppSupport feels very sluggish. Someone did AppSupport Geekbench tests, GPU one is okay, CPU is noticeably slower. For comparison CPU benchmarks on Xperia 10 III AppSupport are almost the same as “native” Android.
I’ll retest C2 when I get home later, just in case it shows different results.
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I noticed as well that Android apps seem to have only internet when connected to Wifi. Could someone else verify this also?
Been widely reported.
Can someone confirm that the device has no pictures, videos or music whatsoever in its default state?
The other Jolla devices had always some fancy sailing-related pictures…
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Yea was a clean slate when it arrived, no media to speak of. Good thing IMO 
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Same here! No luck with 00000
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Perfect. I was just surprised.
I agree with you in that such thing is a good thing.
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I got my C2 yesterday, the battery charge was 70%, I fully charged it, setup and upgrade worked without any issues.
First impressions:
- size of the device is big, it is good for reading and typing is easier.
- screen resolution is not an issue, however I found automatic brightness adjustment too sensitive or too high at low light conditions.
- no notifications LED as well as fingerprint sensor is very noticeable
- battery consumption, with WiFi on no SIM is great, 1% drop overnight
- compared to 10 III C2 feels slower eg opening apps
- the cover case cuts do not perfectly aligned with the phone buttons/sockets. The screen protector film should have been 1-2mm wider
- front camera notch is rather large and cuts several screen lines at the top of the screen. The bezel at the bottom is rather wide.
- I went away from AP and lost WiFi access, coming back later the phone could not connect to WiFi, I had to go to airplaine mode and back to connect.
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