When Chinese smartphone maker OnePlus was founded in 2013, critics doubted that people would buy its flagship phone, OnePlus One. But co-founder Carl Pei found an unconventional way to help the company survive. (Video/Photo: Eva Tam/The Wall Street Journal) Don’t miss a WSJ video, subscribe here: http://bit.ly/14Q81Xy More from the Wall Street Journal: Visit WSJ.com: http://www.wsj.com/ Visit the WSJ Video Center: https://wsj.com/video On Facebook: https://www.facebook.com/pg/wsj/videos/ On Twitter: https://twitter.com/WSJ On Snapchat: https://on.wsj.com/2ratjSM