Chalk it up to boredom at the Samsung headquarters. Or maybe it was changed to compete against the Zune HD. Better yet, maybe they just liked the way it sounded. At any rate, a reliable tipster has sent information over to PhoneArena stating that Sprint's upcoming addition to the Instinct family will be called the "Instinct HD," and not the "S50," as originally reported. Now, with a moniker like "HD," you would think that the device would, well, have features centering around HD.
Unfortunately, no specifications have been announced as of yet, and it's important to keep in mind that the aforementioned device has gone through several rumored device names, including Instinct2, Instinct Deuce, Dash, M850, and Instinct S50. So obviously, take it with a grain of salt - but it's certainly interesting nonetheless.
Source: PhoneArena (picture: Brighthand)