There are fake devices out there - data by AnTuTu shows that 2.64% of results in its database were posted by a copycat device. Note that we're not talking about one phone copying a design feature from another phone, this is about replica devices sold as the real thing. Samsung is the most popular brand to clone - 36.23% of fake phones were pretending to be a Galaxy. Just the Galaxy S7 edge clones account for 8% of the fakes. The smaller S7 is high on the list too and - surprisingly! - so are Samsung's flip phones. Fake Apple phones hold 7.72% of the bogus market, lead by iPhone 7...
Source: https://www.gsmarena.com/antutu_samsung_is_most_copied_brand_by_fake_phone_makers-news-29261.php