Samsung Galaxy S20 Plus
Android 13, One UI 5
64 MP, f/2.0, 29mm telephoto, 1/1.72", 0.8µm, PDAF, OIS, 1.1x optical zoom, 3x hybrid zoom
12 MP, f/2.2, 13mm, 120˚ ultrawide, 1/2.55" 1.4µm, Super Steady video
Wireless Qi/PMA 15W
Reverse Wireless 4.5W
Yes, Samsung Galaxy S20 Plus offers IP68 rating, which means it can survive up to 1.5 meter (4.92 feet) for 30 minutes underwater and can endure dust and other small particles.
Samsung announced 3 major updates. So it will receive Android 1, Android 2, and last update will be Android 3.
Samsung announced 4 years of security updates for Samsung Galaxy S20 Plus, so it will receive patches approximately until 2024.
Yes, Samsung Galaxy S20 Plus offers WiFi 6.