Introduction and designUpdate: Read the TechRadar review of the Oppo F1 Plus - it's worth considering the larger sibling phone of the Oppo F1 before you put your money down.The Oppo F1 is a phone with a mission. It wants to trick people into thinking you spent £300 (US$450, AU$550) or more on a handset when you actually only forked out £160 (US$249,...