Samsung has announced that its Omnia II smartphone has surpassed 600,000 units in South Korea. Unlike in the international market, Samsung sells different versions of Omnia II on different cellular operators like T*Omnia II (left) for SKT, SHOW Omnia (center) for KT and OZ Omnia (right) for LGT.

Samsung says Omnia II sales averaged about 100,000 units per month and the reason the phone is selling well is because users are satisfied with Omnia II’s performance and its after-sales service.

The common features found in all these phones are 3.7-inch AMOLED touchscreen display, 800MHz processor, 5MP camera, Wi-Fi and Bluetooth.

UPDATE: KT Omnia users will have to wait longer.

Samsung’s Omnia II variants for South Korea are about to get a WinMo 6.5 update soon. According to Yonhapnews, T*Omnia II and SHOW Omnia meant for SKT and KT respectively will get the free upgrade this month and will be at par with OZ Omnia that is already selling with WinMo 6.5.

To regurgitate, these Omnias feature 3.7-inch AMOLED touchscreen display (800×480), 800MHz CPU speed, 5MP camera, Wi-Fi, Bluetooth, large internal memory and external memory up to 16GB. Additionally, the SHOW Omnia supports 3G WCDMA, Wi-Fi and WiBro connectivity.

Except for unlocked, most of us would find Omnia devices being sold on a single operator. However, in its home market, Samsung has for the first time, mass released different Omnia devices for different operators. SKT will sell T*Omnia II (M710/M715) and Omnia Pop (M720), KT will sell SHOW Omnia (M8400) and Omnia Pop (M7200) and LGT will satisfy its consumers with OZ Omnia (M7350).

In addition to targeting business users, the latest Omnia range will also go for the young consumers with the integration of powerful multimedia features. All the phones are equipped with Haptic UI 2.0, 3D Cube menu and motion detection with Motion UI.

T*Omnia II features, SHOW Omnia and OZ Omnia sport a large 3.7-inch AMOLED touchscreen display (800×480), 800MHz CPU speed, 5MP camera, Wi-Fi, Bluetooth, large internal memory and external memory up to 16GB. Additionally, the SHOW Omnia supports 3G WCDMA, Wi-Fi and WiBro connectivity.

The Omnia Pop on the other hand, is an entry-level Omnia handset with 3-inch WQVGA LCD, 3MP camera, T-DMB, music player and more.

Samsung’s T*Omnia successor has gone official in the home market. The T*Omnia II (SCH-M710/SCH-M715) will be available via SK Telecom and expectedly, Samsung has modified the device to suit the Koreans. Few changes from the original Omnia II are the integration of DMB, T map, T Store services and reduction in internal memory (T*Omnia II will come with 2GB or 8GB storage).

Rest of the features include 800MHz processor, 3.7 inches WVGA (800 × 480) AMOLED touchscreen, Haptic UI 2.0, GPS, Wi-Fi, Bluetooth, DivX support, microSD card slot (up to 16GB) and 5MP auto focus camera with dual power LED flash, image stabilizer, smile/action shot etc.