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- Search Engines
-- Search Engine Spider and User Agent Identification
---- ZTE-Z431/1.4.0 NetFront/4.2 QTV5.1 User-Agent
Samizdata - 9:24 pm on Jan 23, 2013 (gmt 0)Thread source:: http://www.webmasterworld.com/search_engine_spiders/4538174.htm
Netfront is a mobile browser that was used on some phones and game consoles.
I believe it still exists, though usage (never high) is now dwarfed by iPhone and Android defaults.
Whether your example was genuine is another matter entirely.
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