According to TMall, the one of Chinese online store, claim that the ZTE Grand S II LTE is sells more than 50,000 unit for less than a minute, exactly is only 58 second.
This phone has already release in China few days ago, this phone first appear on the Consumer Electronic Show 2014 back on January early this year, the phone has impressive specs and performance.
For your reminder, the ZTE Grand S II LTE is packs with 5 inch screen size (1080 x1920p), the screen is covered by Corning Gorilla Glass 3, powered by Snapdragon 801 processor that running on 2,3Ghz clock-speed, support for 2GB of RAM and 16GB of internal storage.
The phone is also coupled with 2 megapixel front facing camera along with 13 megapixel rear facing camera and running with Android 4.3 is installed out-of-the-box but the company is promise that this phone is upgradeable to Android 4.4 KitKat operating system. [source]