What's the difference between an unlocked iphone and a "high quality" copy iphone from China?

Question

I may not comprehend why they are so expensive on e-bay and other websites offer them for less.

Answer 1

iphone unlock like sciphone i68, hiphone,p168,i9,mini apple,ect.they don't have smart operater system (they all use MTK solution)at all.and so does other attribute like 3g, wifi,gps,and no 16GB.but they do have bluetooth,shave alter music function,slide screem.