Gor. , Jan 18, 2022 : Hey there, No news/ official announcement so far. You've got to keep waiting, I'm afraid. As of now, the following is all we have announced: Update Schedule Q: When will OxygenOS 12 be launched to other OnePlus devices? A: Currently available for the OnePlus 9 and 9 Pro, OxygenOS 12 will also be coming to other models (OnePlus 9R, OnePlus 8T, OnePlus 8 Pro, OnePlus 8, OnePlus 7T Pro, OnePlus 7T, OnePlus 7 Pro, OnePlus 7, OnePlus Nord 2, OnePlus Nord CE, OnePlus Nord) in the first half of 2022. (Source: https://forums.oneplus.com/threads/oxygenos-12-faq-find-your-answer.1519491/) It looks like the Nord users may have to wait slightly longer than than the other model users.
Gor. , Jan 18, 2022 : If you are asking about why it's out of stock, I wouldn't really know, I ain't a OnePlus staff member . If you are referring to the OS 12 update, that's because it was halted at some point due to the bugs present in the update. A user was kind enough to compile the following thread on this. You can check it out and hopefully inform yourself about what has been happening. https://forums.oneplus.com/threads/oos-12-updates-for-op9-series-and-what-happened.1534008/ If you ask when it'll available, no one here would know that. Only OnePlus is answerable to this. I guess gotta keep waiting
