Samsung Galaxy S6 rumor roundup: Everything we think we know about the specs, price and release date of Samsung's next flagship phone

The metal accents of the Galaxy A7 (shown here) may foreshadow a less plastic Galaxy S6.

g CES 2015 is behind us, which means it's time to start looking forward to the next technology smorgasbord: Mobile World Congress. New phones and tablets make the rounds at the annual conference held in Spain, but Samsung has yet to officially announce any word on its expected upcoming flagship smartphone, the Samsung Galaxy S6.