The military conflict in Ukraine has reached this wiki. I'm really greatful that nobody tried to change the articles of Ukraine, Russia or Crimea for his own purpose.
Now a user with Polish IP has added Ukraine to our list of countries in warzones. I mean there is no doubt about it, that there is a war (in Russian: military special operation) going on in the country.
But the category "warzone" was meant for countries that are so unstable that no reliable information can be given about their providers (technically, economically or if they work at all). The situation in Ukraine is different. Here all three providers are still working and give mobile access (currently in one roaming network) in most parts of the country in their usual portfolio.
You can still buy a local SIM card. This is quite important, as international roaming has been shut off partially. Though Ukraine is a warzone, no doubt about it, it doesn't fit into this category in our wiki.
Either we change the definition of a warzone in this wiki or we need to take Ukraine off this list. There is a lot of information available about the providers. Whether they work in a particular place, is a different story.