As Samsung officials continue to deny rumors of an upcoming premium variant of its flagship smartphone, the Galaxy S5, evidence is piling up which suggests a release is on the horizon. The latest evidence includes a screenshot taken from Bluetooth SIG’s website (see image above), showing the device build SM-G906. This, of course, is just one more sign pointing towards a premium, or Prime, variant of the Samsung Galaxy S5. Unfortunately, the Blutooth SIG screenshot doesn’t reveal any hardware or software specifications for the device. It only lists the device as being Bluetooth 4.0-compatible, which is pretty much a given with any Galaxy smartphone. How do we know that device build SM-G906 is the Samsung Galaxy S5 Prime? Everything is pure speculation at this point, but a Dutch website published the build earlier this year, claiming to have discovered it using Samsung’s official Find My Mobile service. The build, SM-G906, is the same found on the Blutooth SIG’s website, which would leave some people to believe that Samsung is working on the Prime variant with plans to release it in the near future. Of course, this isn’t the only instance of build SM-G906 being spotted. A Hong Kong website reportedly…