I have a spare Xiaomi Redmi Note 7, 3/32GB version (codename: lavender), which I bought as second hand and which is in very good conditions. I cleared the userdata partition and installed UT on it.
I'm selling this for 80 EUR + shipping.
Xiaomi devices are rather popular here in Russia, so if I see that there is interest I might be able to buy more second-hand (or even new) devices and resell them with UT preinstalled. Write me if you are potentially interested. 🙂
You can sell your phone through an ad on the Internet to another person without any problems, even if you only have your charger and phone left.
In Russia, phones are usually already unlocked.