Question: what are the most expensive smartphones?
Answer: Falcon Supernova iPhone 6 Pink Diamond - USD 48.5 million. ...  Stuart Hughes iPhone 4S Elite Gold - USD 9.4 million. ...  Stuart Hughes iPhone 4 Diamond Rose - USD 8 million. ...  Goldstriker iPhone 3GS Supreme - USD 3.2 million. ...  iPhone 3G Kings Button - USD 2.5 million. ...  Diamond Crypto Smartphone - USD 1.3 million.