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It is not the same to assume that someone is using a breach somewhere in a system with shared responsibilities among companies, and use resources to find it, or, when someone bring you all the details of a proven vulnerability, is ready to show it to the world, and then decide to not do anything...

You say no, but I can't see a meaningful difference from what I said. The strategy fully rely on Xiaomi and Qualcomm doing nothing for months when they were officially provided beforehand with information that may even impact other phone manufacturers, including Google. And that's assuming the...

So the goal would be that the community fund a research to find the vulnerability used by Ncunlock, and if something is found, give Qualcomm and/or Xiaomi 90 days to fix it, and then hope that they don't fix anything, and the Chinese government won't notice ?

Yes, it is my point. There are rules, and you would not get to use the results of the research.

The 2 first examples are completely different from trying to actively benefit from a software vulnerability. Ncunlock take his own risks.

It is the correct modem firmware, but for the China model.

An "official" and very public operation to hack Xiaomi servers and Qualcomm / Mediatek software, I don't think it is a great idea.

You are at the wrong place, it is not an official Xiaomi website https://new.c.mi.com/global/

https://xiaomi.eu/community/threads/hyperos-2-0-stable-release.74372/post-743770

If you have a global Xiaomi 15, you would need to follow this : https://xiaomi.eu/community/threads/hyperos-2-0-stable-release.74372/post-743596

Because this file would then break the modem for other users (among other reasons)

My understanding is that you would need to go back to a stock Chinese ROM, and then either use it or unlock the bootloader to install a ROM. But I don't know the process, and unlocking a Chinese HyperOS device seems very complicated nowadays.

You need to check if your phone have an unlocked bootloader, and which ROM you are currently using.

As long as your ROM is a previous Xiaomi eu ROM, you can update. But it is already written in the first post and you don't give any details.

You would need to find someone to flash back the chinese ROM on your device (I am assuming you have a Chinese model, and what you call a wrong ROM is a global ROM and what you call stock ROM is the Chinese ROM) Keep in mind, it has become very difficult (if not impossible nowadays) to unlock...

The latest ROM for your device is MIUI 14 : https://xiaomi.eu/community/threads/miui-14-stable-release.67685/ I don't know what is the issue with your camera, so I don't know if it will solve it.

https://xiaomi.eu/community/threads/hyperos-1-0-stable-release.71170/post-743247

If you are using the Xiaomi.eu ROM, you can manually download the file and update.

I think he meant the updated ROM, which you can download in the first post.

@ToBBuS Maybe people just don't have the answer you are looking for.