Cheapest 5G mobile phone

I’m currently researching getting a 5g phone to test

The cheapest previous product was Xiaomi Mi Mix 3 5G however this was discontinued but still available second hand

Current cheapest 5g phone looks like this Xiaomi Redmi K30 5G

5G Bands Supported :   5G: Sub6G: n41/n78

Current list of Countries and bands

“But Does Not support Google play” due to the recent ban of Andriod in China. It looks like someone has come up with a workaround : https://c.mi.com/thread-1421502-1-0.html

A good website to tell you if foreign phone’s will work on your countries bands is https://willmyphonework.net/

Current cheapest Samsung device is : Samsung Galaxy A90 5G