Oppo Pad 2
Stylus support with 2.0ms latency
No, Oppo Pad 2 does not offer any kind of IP rating and it is not waterproofed.
Oppo announced 2 major Android updates. So it will receive Android 14, and last update will be Android 15.
Oppo announced 3 years of security updates for Oppo Pad 2, so it will receive patches approximately until 2026.
Yes, Oppo Pad 2 offers WiFi 6.