WeChat Client Technology Team

Apr 8, 2016 · Mobile Development

How to Detect the Available IP Stack (IPv4/IPv6/Dual) on iOS and Android

This article explains how to determine whether a client device supports IPv4‑only, IPv6‑only, or dual‑stack networking on iOS and Android, covering gateway detection, DNS analysis, socket‑connect tests, and practical code samples for reliable IP‑stack identification.