More than a year of work and over 20 different designs ultimately led to the simple brilliance of the OPPO N1 and the small but intricate camera, tested to last through 100,000 rotations. Its full metal aluminum alloy frame is produced over a 20-day period, during which it undergoes a 14 step polishing process involving more than a dozen suppliers. Strengthening the core of the phone, the frame adds an air of solidity and style to the OPPO N1. The OPPO N1 phone body is made with a smooth, ceramic-like mater