Nubia will launch a new black & Gold color version for its previous model -- Nubia Z11 mobile, which has the same design as the Z11 mobile, but the new color appearance makes it look more luxurious.
Nubia Z11 This new Nubia Z11 Black & Gold version has no improvement on the configurations, but has changes on the appearance. This new black + gold color makes it more beautiful. The metal frmae, back seams, fingerprint recognition, and the back LOGO all use the gold color, the left including the front panel use black color.

There is comment showed that the Nubia Z11 back is not as beautiful as its front panel, while this new black gold color machine will not show such a feeling. Moreover, the black & gold Nubia Z11 main camera, front Home button still keep the iconic red circle design. As for the Nubia Z11 Black & Gold price, it will be 4500RMB, and will be released at 19:00pm on September 1.

Source from: http://www.androidmall.co.uk/blog/nubia-z11-will-launch-black-gold-version/