Sam Byford / The Verge:Oppo unveils foldable Find N with 7.1" internal and 5.49" outer display, Snapdragon 888, up to 12GB RAM and 512GB SSD, coming to China on Dec. 23 for ~$1,200 — An open and shut case? — After teasing its first folding phone last week, Oppo is revealing the Find N in full today.