The smartphone is a midrange offering for Samsung, and will be available in the UK in the second quarter of the year.
Following in the footsteps of the Z1 family and coming later this year, the Xperia M2 Aqua has a waterproof skin.
This new version of Samsung's flagship device will sport a QHD display with a 2,560x1,440-pixel resolution and support 4G speeds of up to 225Mbps.
In addition to perhaps two versions of its latest flagship phablet, Samsung is rumored to unveil a number of wearable devices at the annual trade show.
Rumored to sport a metallic body and a QHD display, this could be an early glimpse at Samsung's updated flagship phone, prior to its official announcement.
LG says its next flagship smartphone will feature a QHD screen, with four times the pixels of a standard HD screen.
LG is teasing the new G3 smartphone with a look at the QuickCircle case ahead of the big launch on Tuesday.
Alleged supersized successor to flagship One M8 appears to sport larger screen and a protruding camera lens, perhaps addressing one of the few complaints of its predecessor.
Newly surfaced photos appear to spoil the big reveal of LG's upcoming flagship smartphone.
Tech blog GSM Arena says it's seen the forthcoming LG G3 in gold, to go along with the white and gray hues that have already sprung up online.