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I know GA using UserAgent string to detect device id or brand name for an android device. But i wonder do Google using WURLF library or they building and device's useragent database for themselves.

Because our company has an android device that update user agent to WURLF but in GA, it's still not set.

sideshowbarker
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redwind
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  • User Agent is never reliable. In fact, some Android devices pretend they are iPhones! – Raptor Nov 18 '13 at 02:37
  • Thanks for your help, but my question is not focus to user-agent,i wonder how GA detect android,using WURLF library or their database. Because as i said, our device has relized brand-name by WURLF, but in GA, it's still not set. – redwind Nov 18 '13 at 03:27

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Have you looked at your user agent data in OpenDDR?

These slides talk about where Google is looking to go with acquiring mobile meta data and a proposal for using Client-Hints

However, as far as I can tell in web analytics, devices/browsers that don't have identifying UA strings are simply not going to be counted by web analytics companies, and hence not catered for.

Some somewhat relevant discussion here.

theannouncer
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