@Jan131 You're a tad late to party
Now with the updates we can set up to ISO 3200
By the way with latest OneUI 2.1 the Night Mode allows now some nice shots especially with Covid-19 lesser sky pollution.
I have not been able to get such shots with Pro Mode, as 30 sec exposure results in stars being moved slowly despite being on a stand, so i got like very short lines in the sky instead of dots.
Here is NS with reduced exposure to avoid bright sky: