Who can recommend big-screen unlocked phone under $200

I want to buy a big-screen unlocked phone under $200. I find one, it is a new product of iRULU.somebody has a product of iRULU? how about it ? or anyone could recommend a big-screen phone for me?

Specification of 6.5 inch IRULU V3 phone.
CPU: Quad core, 1.2GHz
Operating System: Android 5.1
Only AT&T and T-mobile can work with this phone in USA.
SIM Card: Micro sim and Mini sim
Size: 6.5 inch
Resolution: 1280*720 HD IPS, Multiple touch screen
RAM/ROM: 2G/16G, up to 32G
Camera: 2MP front camera, 8MP rear camera / 5MP front camera,13MP rear camera
WiFi: 802.11 b/g/n
Battery Capacity: 3000mAh
Talk Time: 20 hours
Dimension: 176*90.4*8.9mm
Weight: 191g
Bluetooth:Support