South Korean conglomerate of Samsung for Electronics has estimated its profits for the first quarter of 2013 to have hit $7.7 billion, it was reported here today. In a report carried by South Korean state-run Yonhap News Agency, Samsung for Electronics, the world\'s leading company in the manufacture of mobiles, SIM cards and surfaced-screen TVs, said its preliminary estimation increases by 52.9% that its revised operation profits worth 5.7 trillion Wons last year. However, this is 1.6% down from the profits scored in the previous three months as it achieved record quarterly operation profits of $8.8 billion, buoyed by strong sales of Galaxy S 3 and Galaxy Note II smart mobile phones.