Xperia 10 IV vs Xperia 10 V

Considering that AOSP binaries for the 10 IV have been available since July 2022, i.e. for more than 10 months, if the 10 IV port hasn’t been finished or far come for many months then all this doesn’t really make much sense as this whole Sony/AOSP path was originally meant to allegedly allow rapid and easy porting of SFOS to new devices.

Here is the question and answer in the Community Meeting.

The question:
Will Xperia 10 IV receive an official port?

  • This topic has been brought up before.
  • It would just be good to know if there are any news on
    what the next supported device will be.
  • Is it plausable, possible or probable that the Xperia
    10 IV will reveive an official port?
  • Is there a designated place on the forum or elsewhere
    where one can find information about this, or could such a place be
  • I know of quite a few people who have a 10IV and are
    waiting to install Sailfish on it.
  • Should we just wait for any news to be published on
    the blog?
  • Thanks!

The Answer


I really hope they not continue and drop it.

If they continue it is because the community helps or they see it as worth while to do it anyway. What is it to you? I guess your hope is that they rather focus on fixing the 10 III or start working on the 10 V? That I do understand.


Well, it’s kinda scary to hear that they’ve only done some “preliminary work” and haven’t yet decided, considering that the 10 IV binaries have been available since July 2022.

So if 10 V binaries come out in July-August 2023, when will they decide about it? In June 2024?

Stop being such a negative Nelly. It helps nobody.
SFOS sales alone are very likely not profitable, treating it like any other large-scale consumer utility only sets you up for disappointment. Put yourself in their shoes for once.


Available yes, but Work in Progress, as you can see on this page.


And they still are Work in Progress, so what does it change?

I do. And hence the suggestion to skip the 10 IV and this way have more resources available to support the 10 V and possibly also be able to focus on it sooner than having to take care about the 10 IV first would allow them otherwise…

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I think it is safe to assume they aren’t focusing on getting a port for 10 IV, maybe now putting it off for soon focusing on the 10 V. If there is enough community help with the 10 IV port it might happen, otherwise not. Maybe they view it as less work for them and therefore a viable option.

I don’t think it reasonable to assume they will be as late on the 10 V. Maybe they did the ground work on the 10 IV because of requests from the community and to make it easier for the community to contribute.

I would really like if someone could at some tell us “this” is the situation we are in, that is what we have the capacity to do and we need help with those things from the community.
Just to be transparent, get the help they need and also for us to have the expectations we should.
It’s not a secret that the company is not doing great with what we already know, but if we know what to expect at least we might have been able to help one way or the other instead of only focusing in our issues, from the user side.


A rather telling answer. Suggests it is not a part of the companies corporate roadmap.

Well, “stuff” is not finished, things are going to break / go wrong. and one would want a stable phone yes? That is why they said “preliminary work” take a look at this and this comment that makes it clear that it is not ready.

This is the blog people should look at for when the blobs are ready:

And even then: This is the text for 10 III
Note: The software binaries for these devices are initial platform support. Some functions are still in progress

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I would rather say that Sony’s AOSP binaries are never really finished and polished. They don’t get a fraction of care and polish that their stock “firmwares” do. Of which the best confirmation is the 10 III note quoted by yourself:

… which sounds like an excuse for never bringing it to a fully reliable and functional level (quite possibly on purpose).

So, whether for some device there is a “Work In Progress” note or not doesn’t really mean that those without such note are finished and complete. Maybe it’s more like alpha vs. beta. And it’s quite possibly intentional, as I bet that Sony does not really want to be freely offering an AOSP platform anywhere near comparable in terms of quality and stability to their own Android so that it can be used to build for their hardware competing software solutions.

Hence my question “what does it change” - probably not much…

I don’t know if the 10 III binaries from February, 2022 had a “WIP” mark or not when Jolla decided to use them in SFOS, but they still had severe issues like display color banding, echo, excessive power drain, and more. On the other hand, since then Sony released three new binaries for the 10 III (maybe fixing some or all of those issues) but Jolla does not use them. So it’s kind of a vicious circle.


Why not also suggest a higher Xperia Model, Xperia 1 (V or IV), or Xperia Pro (IV) for the variety of bandwidth 4G and 5G that these models include?

Some of us will greatly benefit from more spectrum of bandwidth, especially those who are in the USA.

Compare Sony Xperia 1 IV with Xperia 10 IV bandwidth, and you will find Xperia 1 includes more channels (if the term is correct). Or even look at Xperia Pro Network specifications.

I do not think ‘affordability’ of a specific Sony Xperia model, should be a limiting factor in canceling a more functioning and able phone regarding the phone’s cellular network connection.

I do have Sony Xperia 10 III, and it is not dependable, nor able to use it in all places compared to another Android phone I do have (Samasung). At this moment, my Sony Xperia 10 III is off the cellular network, in a ‘farmish’ area, and cannot receive or make calls, and I am using my Android phone to do so (Samsung).

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I mentioned this in the “add Xperia 1 and Xperia 5 support” request thread, but since it’s come up here, I’ll reiterate and expand a bit.

The Xperia 1 or Xperia 5 line would be a great addition if Jolla would like to open up to the North American market. Those devices’ supported bands line up much better with providers in Canada, US, Mexico, Belize, etc. There are probably issues other than just hardware related to expanding on this continent, but unlike adding 10 IV or 10 V support that might please current customers, 1 IV or 5 IV could appeal to entirely new customers.

I’m not their finance or marketing or development guy, so this is all just some guy’s ramblings, but a better supported phone would really help my selfish desire for domestic tranquility regarding my reach-ability on mobile . . .

SFOS is in a really good position to be the alternative phone OS to Apple and Google in North America. VOLTE on 4G and beyond is gonna be the only way forward here very shortly. AT&T in the US has shut down 2G (GSM) and 3G. T-Mo has shutdown 3G (except maybe some pockets . . . maybe possibly) and they’ve said 2G drops dead next April. Other carriers on the continent are moving that direction, too, or have already.

End unusually exuberant rant.

I do imagine, and merley out of speculations, such statement, is what Jolla might be catious not to be accused of; that is not to start a turf war with the big monopolies, specifically in the US. They won’t call it monopoly in the US, yet is is. Are you aware, at least the last time I delved into alternative smartphone OS search, that SailfishOS is the only out of the box functional, daily driver, OS besides Android and iOS, a Linux OS that can be used in a smartphone?

However, thank you for the information you listed, I almost forgot what happened to the networks shutdown. Besides, Xperia 1 would make a better argument, since it is an international phone, not just for the US consumer; Xperia 1 is more travel friendly, and more able technically due to its wider range of network spectrum, so why settle for a lesser and less dependable hardware?

Thank you


Sailfish can’t take advantage of the 10 III hardware yet and still doesn’t perform reliably enough.
Even if it was available let’s say for 1 V, who would pay 1.400€ and then ruin the phone’s performance with sailfish and void warranty at the same time?

I would love to see sfos actually being just as great as a stock android rom and gladly get a high end device for it, but only if and when that happens not in the current state.


Eeek. For SFOS and continent-wide connectivity, I might be that guy. Or maybe if I could snag a used model after a few months, I’d be. After all, I’m an N900 owner, and those were some serious coin in the day. I do have an “I void warranties.” t-shirt, and since I don’t use any Android apps, the performance specs don’t matter much. The camera . . . yeah . . . that’s the one thing that might give me pause if the SFOS implementation really sucked.

But to make sure this post is still on-topic, it bums me out that the Xperia 10 III, IV and V all support fewer than half the North American frequency bands as the Mark II. And AFAICT, only mono speaker sound (possibly the 10 V has stereo, TBD). I was majorly surprised when my 10 II suddenly grew stereo sound after flashing SFOS! I used the darn thing for a week on Android (shudder) to make sure it worked, and never found any indication that it was stereo-capable. And believe me, I looked. Now that’s an upgrade I can enjoy.


If anyone is feeling particularly optimistic then the 10v is available for a modest £269.99 right now:

Comparison of Specs suggests that I would prefer the Xperia 10 IV over the 10 V (see discussion above). Only price an availability would be reasons to go the 10 V route
However, improved HW support for the 10III would be my most preferred option.
I hope very much that Jolla can afford further improving HW support

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