The Vivo XL is certainly one of BLU's flashier options to date, with a patterned finish on the removable back cover, with gold being the color version of this particular review unit. (androidauthority.com)
This may be the case only with this particular review unit, and is definitely an issue on the software side, as the scanner works perfectly fine in every other situation, so hopefully BLU has a fix in the works. (androidauthority.com)
In day to day usage, the device was extremely fluid and responsive, despite this particular review unit still running software in its beta iteration. (androidauthority.com)