The current mobile phone market is flooded with a large number of grey-market phones, most of which operate on English-language systems. In order to facilitate sales in China, these phones need to have the Chinese system installed; an industry term for this process is "flashing". CCTV exposed software companies like NetQin and Flion that use flashing to pre-install their own software onto the phones, creating viruses and offering antivirus solutions in tandem to empty the pockets of consumers.
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Many people in IT are scammers, unethical individuals.