I have the LG G5 with the official android 7.0 and bought this adapter:
https://pt.aliexpress.com/item/USB-C-Type-C-USB-3-1-Male-to-HDMI-4Kx2K-1080P-HDTV-Adapter-Cable-for/32735025008.html?spm=2114.13010608.0.0.8E6kHm&detailNewVersion=&categoryId=70806
But it does not. I do not know if I have to...