How Does Umeng's Tracking System Detect Real User IPs? Any Bypass Techniques for Research?

I'm researching how Umeng (a popular Chinese analytics tool) collects and verifies traffic data, especially in distinguishing between bot traffic and real user visits.
I'm particularly interested in understanding how their fingerprinting, JS tracking, or SDK validation work.
Has anyone experimented with residential proxies, headless browsers like Puppeteer, or Android emulator farms to simulate real user behavior for testing?
Looking for insights from a technical/research perspective, not for malicious purposes. Thanks!

Umeng takes your IP from the network request and reads device details via its SDK or page script. For testing use real residential proxies or real phones, headless browsers get caught.