According to research firm Arc Chart, up to 150 million counterfeit mobile phones are estimated to created and shipped out to customers in 2013. The number of fake phones will make up to 7 percent of the total mobile phone market in 2013, and make up to 15 percent of the mobile phone market in Asia.
The cost of make a counterfeit iPhone in China is reported to be about $300. The sellers then offer the counterfeit phone to customers for around $600.
Source: Karen Haslam, “Apple’s China Challenge: Fighting Counterfeiters,” PCWorld, July 7, 2012.