K Z1 5.5-inch Smartphone with Android 5.1

The ZUK Company and brand were created with Lenovo's support earlier this year. Their first product is the ZUK Z1 Smartphone - an affordable 5.5" smartphone priced at about €250. The Z1 was available exclusively in China, but ZUK is now promoting the phone to international release.
According to the official statement - the ZUK Z1 for the international markets will be keeping its specs, but will switch its custom Android Lollipop for a Cyanogen OS 12.1, also Lollipop-based.
ZUK Z1 takes a 5.5 inch 1080p screen, runs 2.5GHz Snapdragon 801 quad core processor, inbuilt with 3GB RAM and 64GB ROM storage, offers 8.0MP front camera and 13.0MP OIS rear camera. The battery capacity is 4100mAh. The Chinese version ZUK Z1 runs ZUI based on Android 5.1.1, supporting Fingeprint ID function, full network bands and dual SIM/dual standby.
Main Features:
Display: 5.5 inch FHD Screen, 1920x1080 pixels
CPU: Qualcomm Snapdragon 801 Quad Core 2.5GHz
System: Android 5.1
3GB RAM + 64GB ROM
Camera: Back 13.0MP OIS anti-shake, Exmor RS sensor + 8.0MP OV8865 front camera
Bluetooth: 4.1
GPS: GPS/GLONASS/BDS
SIM Card: Dual SIM dual standby, Dual Nano SIM
Network: 2G: GSM 850/900/1800/1900MHz; 3G: WCDMA 850/900/1900/2100MHz; 4G: FDD-LTE 1800/2100/2600MHz