Xiaomi priced the "Global Special Edition" of the Mi Note 2 containing 6 GB of RAM and 128 GB of storage at $520. With its curved "edge" display, Snapdragon 821 processor and support for 22 global LTE-bands, Xiaomi is attacking the more expensive competition.
http://www.notebookcheck.net/Xiaomi-is-attacking-Samsung-Google-and-Apple-with-the-release-of-the-Mi-Note-2.181454.0.html