Samsung's latest addition to the smartphone line-up - Samsung Wave 723 has been launchde in UK through the O2 mobile networks. This all new Samsung Wave 723 comes based on the company's bada Mobile OS. The handset is now available at O2 UK for free with a contract (starting from just £20 a month get 100 minutes and unlimited texts).Samsung Wave 723 bada smartphone sports a 3.2-inch WQVGA