Sony Xperia 10 III
8 MP, f/2.4, 54mm telephoto, 1/4.0", PDAF, 2x optical zoom
8 MP, f/2.2, 120˚, 16mm ultrawide, 1/4.0"
Yes, Sony Xperia 10 III 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.
Sony announced 2 major Android updates. So it will receive Android 12, and last update will be Android 13.
Sony announced 2 years of security updates for Sony Xperia 10 III, so it will receive patches approximately until 2023.
No, Sony Xperia 10 III doesn't have Wi-Fi 6 version or newer.