Samsung Galaxy S20 Ultra 5G
Android 13, One UI 5
48 MP, f/3.5, 103mm periscope telephoto, 1/2.0", 0.8µm, PDAF, OIS, 4x optical zoom, 10x hybrid zoom
12 MP, f/2.2, 13mm, 120˚ ultrawide, 1/2.55" 1.4µm, Super Steady video
0.3 MP, TOF 3D, f/1.0, depth
Wireless Qi/PMA 15W
Reverse Wireless 4.5W
Yes, Samsung Galaxy S20 Ultra 5G 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 Android updates. So it will receive Android 11, Android 12, and last update will be Android 13.
Samsung announced 4 years of security updates for Samsung Galaxy S20 Ultra 5G, so it will receive patches approximately until 2024.
Yes, Samsung Galaxy S20 Ultra 5G offers WiFi 6.