I purchase a Asus zenfone zoom ZX550 in last weak the perfomance of asus zenfone is good on this price and camera is better than K4 note the display quality is better on this range
The some fetures of Asus Zenfone Zoom ZX550 is her
Screen Size 5.50-inch
Resolution 1080x1920 pixels
Storage 64GB
Processor 2.3 GHz
RAM 2GB
Rear Camera 13-megapixel
Front Camera 5-megapixel
OS Android 5.0
Battery Capacity 3000mAh