1. Lg G6+ (us997u)
2. Android 7.0 lg stock rom (android 8.01 coming this year)
3. SABRE HIFI DAC ES9218+
https://www.techradar.com/news/lg-g6-plus-launched-with-128gb-of-storage-and-hi-res-audio
It's for V20 but g6+ and V20 have the same DAC: Poweramp only does 48KHz