Not great, not terrible. IMX766 is quite dated already and definitely not on par with the mainstream offering. 2025/2026 it is still used on budget models, but for upper midrange offering I’d say it is below expectations. Using outdated hardware on launch date is definitely not a great start. Linux phone in the upper midrange segment will create quite a sensation and then it will be reviewd, disassembled only to find outdated hardware inside. I guess you can imagine the headlines. IMX766 was superceded by IMX890, which was superceded by Lytia 700/700C. So I would say 700C would be more like a choice you find on the phone with that price range.
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If you can’t notice the clear image quality uplift, colors, contrast, etc. from an OLED display then that’s really just your (eyesight) problem. Most devices in the sub 400€ price range have used OLED displays for years so it’d be joke for Jolla to try sell a device without one. We’ve had OLED displays in phones for over a decade without any widespread health issues so ones caused by PWM flicker is quite clearly a very, very marginal one.
Sucks if you’re one of the handful of people who have issues, but you’re a marginal case and your exposure is to a single device. Nothing says an IPS panel wouldn’t flicker in the very specific way to set you off or that the display Jolla are using is also going to set you off.
It is false to say burn-in is gone.
Never said its gone, only that its been engineered out to the point that OLEDs don’t degrade or burn in any worse than IPS panels. Which absolutely do not degrade evenly. Every single one of the IPS panels I’ve used for 3+ years have eventually degraded with an uneven backlight. A total of four desktop monitors, two TVs, four laptops and half a dozen phones.
My only devices that still have an even backlight are my 5-year-old laptop and phone with a Micro-LED and AMOLED display respectively. Oh, and my Nokia N9 that I bought when it came out and used for 4 years.
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The camera application can’t take good pictures anyway - it hasn’t changed much over the past decade. For example, don’t try anything moving, backlit or in otherwise suboptimal lighting conditions - the pictures won’t turn out well. Tap-to-focus somehow always shifts the focus to something behind what you were trying to focus on, and so on.
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Sorry but this is not marginal … please read studies I put with link above …
And they called this planned smartphone an high end device with old sensors and no periscope or telephoto camera …
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I hope there will be updated camera app
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Sorry but this is not marginal … please read studies I put with link above
If I’ve never heard of it before and the adoption of OLED panels only growing and growing then its quite clearly a marginal thing. If you can’t see the massive uplift in colors and contrast in an OLED panel then you clearly have underlying eyesight issues.
We have lots of things things for colorblind people and they make up less than 5% of people. Your personal eyesight issues are hardly commonplace no matter how many non-working links you can throw at me. (I tried opening every single one, none of them worked).
This is not entirely true. Camera sensor has it’s firmware. Also rather high end MediaTek chipset will be choosen, which has proper image processing capability, which has nothing to do with Jolla camera software. It’s the same with Fairphone actually. Fairphone camera app does almost nothing, it’s mostly the hardware and very good Lytia 700C that does the magic.
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Isn’t this more due to SFOS not (yet) supporting the Camera2 API, than Jolla’s camera application itself?
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Hey! AI found them, why can’t everybody else? 
More seriously, if the poster had actually read and truly wanted to cite the article, then posting the full abstract – which should only be a paragraph or so – would be fair use. It’s kinda the whole point of the abstract in a journal, and it would be pretty good evidence that they did their own homework in the less than 1/2 hour they’d been here. In fact they did not read it: AI found the article and referenced some sources it thinks it used, the poster then pasted the results as their own without even checking if the sources could be read without a journal service subscription or from a university or corporate account.
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Jolla will make a phone that fits in mobile Linux category, not a mass market generic android.
Have you checked other mobile Linux devices? Most if not all have really garbage specs, they are unusable for daily use, they look awful, and in most cases they are more expensive.
If you compare apples to apples then J2 is by far the most promising and balanced in it’s category.
And that comes from me btw, someone that would happily pay jolla 1500€ for a real high end phone with seamless software experience, top of the top hardware and zero compromises.
Is this going to happen anytime soon? Doubt it.
But it might happen in the future if we support their effort when we feel that they are on the right track 
Who called a 499€ Linux phone a high end device?
You keep imagining things and try to spread negativity while you already decided to focus on other projects and not sfos.
Please keep your promises.
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Did you just use nice word to say “Because Linux phones are crap, then Jolla will be crap too”? 
I’m looking a bit farther. To me Jolla is not just a Linux phone. The phone is made in europe, the software is made in europe, it will use chipset, which is made in the “good” China. It has nothing to do with China (look at the current mobile phone market in general) and it has nothing to do with USA big tech. Jolla is not creating a Linux phone, Jolla is creating digital liberation of European Union and promoting to resilience. And this needs to happen. Just take a look how catastrophically reliant we are currently on USA and China. Before Android and iOS, Nokia and Finland, was the definitive understanding of a mobile phone. Jolla has the opportunity to raise from those ashes and there is no better time to do that than now. Now is the time to say, buy european, support our tech. Yeah, I like Linux, but foremost, when I buy Jolla, I’m supporting the initiative to move toward digital independence of Europe. But Jolla will not achieve this if it has no ambition to create phone that is great for everyone, great for daily activities.
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You can buy the phone for whatever reason you see fit, but this IS a Linux phone, just as much as it was 12 years ago.
This means a lot of work in the software department, tiny production batches, tiny profit margins etc.
Librem 5 could be the US equivalent and look how does that device perform and how much it costs.
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I recognize the links were changed and I don’t know why ! Below are the correct links:
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DXOMARK Decodes: The link between temporal light modulation and visual comfort - DXOMARK
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https://ece.northeastern.edu/groups/power/lehman/Publications/Pub2010/2010_9_Wilkins.pdf
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Why Pulse-Width Modulation (PWM) is such a headache - NotebookCheck.net Reviews
- Benchmark from same website: PWM Ranking - Notebooks, Smartphones, and Tablets with PWM - NotebookCheck.net Tech
Behind this, there is a standard to evaluate screen flickering:
Even frequencies in the range of 100–400 Hz can have a negative influence on the human organism, as is explained in IEEE 1789, published at the end of 2015, the Recommended Practices for Modulating Current in High-Brightness LEDs for Mitigating Health Risks to Viewer. In 2008 there was a work group within IEEE which was already dealing with flicker in LED lighting installations. The IEEE intends this recommendation as the basis for further standards e.g. in CIE or IES.
There is also this equivalent:
+1
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Go big or go home
Small ambitions get you to small results, 100%, definitive outcome. Big ambitions maybe still get you to small results, but also might get you to a jackpot. If you define Jolla as a small batch, niche, Linux phone, that is so bad, that average person would not want to use it, then this is exactly what you get. If I look what Jolla is trying to do with this phone, then it seems that ambitions are not that small and I hope that is true.
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Feel free to email Jolla and arrange a meeting to give them your strategy, product roadmap and projections in this case.
I don’t think they will say no to that if you figured out what they can do.
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Like it, me too. I would pay a lot more to have SFOS fully equipped with native apps and likely bugfree experience
With desktop mode of cause 
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I’m a 3C digital enthusiast from Asia, and I really like Nokia from Northern Europe. Even the Nokia Lumia 1020, which was quite niche at the time and lacked app compatibility, I bought one as soon as it was released. In the latter half of 2025, I first saw the Jolla Phone available for pre-order. If I remember correctly, there were around 2000 pre-orders. The detailed specifications on the purchase page weren’t as detailed as they are now. I really wanted to order one, but I wasn’t sure if it would work properly in Asia, so I left messages on forums. I was happy that the Jolla Phone’s pre-orders went from 2000 to 4000 units in a very short time. However, it took significantly longer to reach 5000, 6000, and 7000 units, and it still hasn’t reached 8000 units. This is unusual. On September 5, 2011, the Xiaomi Mi 1 officially opened for online pre-orders. Within just 34 hours, pre-orders in China exceeded 320,000 units. Ten years later, Lei Jun mentioned in his tenth-anniversary speech that the initial pre-order volume of the Xiaomi Mi 1 was 184,600 units. It’s conceivable that the Jolla Phone’s failure to surpass 8,000 units to date is unusual. I believe the following reasons may exist:
① High price. A price tag close to €600 represents 20% to 30% of the average monthly income in France and Germany, and even higher in some Eastern European countries. Even the top-of-the-line iPhone 17 Pro Max only accounts for about 25% of the average monthly income in the United States. Given the current economic climate and the possibility of unemployment, many people hesitate to buy it, even if they want to.
② High manufacturing costs. The Jolla Phone is manufactured in Turkey. Industry experts generally believe that, without considering taxes, manufacturing a phone with the same specifications in Turkey costs approximately 1.25 times more than manufacturing it in China, which indirectly contributes to the Jolla Phone’s high price.
③ Insufficient marketing in Asia. In countries and regions like Hong Kong (25%), South Korea (24%), Japan (28%), and Singapore (14%), €600 represents a relatively low level of average monthly income (below 30%). In first-tier cities in China, €600 accounts for approximately 40% of average monthly income. Considering the strong influence of Confucian culture in East and Southeast Asia, these regions are among the most savings-oriented globally. A significant number of people in these countries and regions could afford €600. However, the Jolla phone’s market is primarily limited to the EU, the UK, Norway, and Switzerland.
It is recommended that the Jolla phone’s cellular network cover the vast majority of East and Southeast Asian countries. It is also hoped that the Jolla phone can be manufactured in Shenzhen, China, to reduce production costs. Furthermore, it is suggested that promotion in East and Southeast Asia be increased. In Europe, especially Northern Europe, the Nokia brand and its associated sentiment still hold considerable market potential. While it may not be available for sale in East and Southeast Asia in the short term, it is essential to have online purchasing channels in these regions to facilitate purchase by local tech enthusiasts. Strengthening local forums is also crucial to facilitate communication and exchange among tech enthusiasts.
Currently, the sales pages are providing increasingly detailed technical specifications for the Jolla phone. I suggest that the Jolla phone’s rear camera should not protrude. The phone can be slightly thicker, as long as the weight is reduced. In today’s mobile phone and digital industry, even the most beautiful phone design, especially the back cover design, is of little use. This is an abnormal situation, a kind of illness. Look at Chinese phone manufacturers like Huawei, OPPO, Vivo, and Xiaomi, and even Korean manufacturers like Samsung and American manufacturers like Apple. They now design some ugly camera shapes to make it easier for consumers to identify the phone. Because most people are forced to buy phone cases because of this protruding rear camera, the shape of the camera is the only way to distinguish the product. Therefore, I suggest that the rear camera should not protrude.
Jolla is a fringe mobile phone manufacturer and usually only geeks know about, unfortunately. Jolla is not alone and there are several others including brands from China that are low volume niche phones, Unihertz for example. Xiaomi sales numbers are completely different because of brand recognition.
Turkey, the country is often associated with low production costs. I’m not sure if there is a mixup between Turkey the country and a city called Turku in Finland. Last I heard the Jolla phone would be manufactured in Finland.
Chinese phone usually work pretty well on European cellular networks (given that the 5G modem is unlocked) and vice versa. European cell phones usually work quite well in Chinese cellular networks. It is USA the is often the outlier because of different frequencies and how operators tend buy up frequency bands.
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Thank you for your reply, SamFisher. The Xiaomi Mi 1 was Xiaomi’s first product, and its sales were driven by geeks and forum enthusiasts, attracting a wider consumer base. The Unihertz phone you mentioned did indeed have relatively low sales. According to publicly available financial reports and industry estimates, its global annual sales are estimated at between 200,000 and 500,000 units, which is still significantly higher than the Jolla phone. I don’t quite remember whether I saw the Jolla phone’s production information on the sales page or in a forum, but it was stated that the Jolla phone was manufactured in Turkey, a European country. If it were manufactured in Turku, Finland, the manufacturing costs would be even higher. The reason I hope the Jolla phone is manufactured in Shenzhen, China, is that manufacturing costs are lower there while maintaining the same quality. This would allow the Jolla phone to be priced lower while maintaining the same profit margin. Even establishing online sales channels and forums in East and Southeast Asia is to attract more buyers. I believe the Jolla phone’s primary goal is survival. Only by surviving can it offer more choices to consumers worldwide.
Yeah, C2. Not this next phone often called “J2”.
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