After a few moments ago Samsung released the Galaxy Y Duos, Korean vendors are re-enabled smartphone offering new dual SIM card which is usually called Duos series. The cell phone is the Samsung Galaxy Ace duos.
Samsung Galaxy Ace Duos comes with a feature ‘Dual SIM On’ which works on GSM + CDMA. Users can make a call on SIM 2 forwarded automatically to the current SIM one so that the user does not miss a call.
Samsung Galaxy Ace Duos has a large 3.5-inch landscape display with 320 x 480 pixel density. Still a single core processor with a magnitude of 832MHz and adopting the Android operating system 2.3 Gingerbread.

Samsung Galaxy Ace Duos complementary features such as support, 5 MP camera, 512 MB RAM, Wi-Fi, Bluetooth, 3 GB of internal memory, A-GPS, microSD card slot expandable up to 32 GB and a battery-powered 1300mAh. Android phones have been using the TouchWiz interface and added applications such as, chaton, Social hub, Swype and many other applications.
| General Spec | Device Type: Smart Phone |
| Form Factor: Candybar | |
| Available Color: Black & White | |
| Network Type: GSM 2G/3G | |
| Headphone connector type: 3.5mm Jack | |
| Dual Sim feature | |
| Band | GSM&EDGE: GSM 900/1800MHz |
| CDMA: (CDMA 1x & EVDO Rev A) 800MHz | |
| Display | Size: 3.5 inches |
| Type: TFT Capacitive Touch Screen consisting of 16M colors | |
| Resolution Size: 320×480 pixels | |
| Weight: 122 g | |
| Touch Pad Features | Input Method: Multi Touch |
| TouchWiz UI, Auto-rotation provided by Accelerometer | |
| Gyroscope Sensor, Compass | |
| Auto turn off Feature: Yes, Provided by Proximity Sensor | |
| OS & CPU | Operating System: Android OS v2.3 Gingerbread |
| CPU Spec: 832 MHz processor | |
| Memory | RAM size: 512 MB |
| Internal: 3 GB memory | |
| External: microSD slot expandable upto 32 GB storage | |
| Camera Features | Camera: 5 Megapixels |
| Camera resolution: 2592*1944 pixels | |
| Camera Flash: No | |
| Other Camera Features: Auto Focus, Geo-Tagging | |
| Video Capture Resolution: VGA | |
| Front Camera: No | |
| Data Facilities | GPRS, EDGE, 3G with HSDPA of 7.2 Mbps |
| WLAN: 802.11 Wi-Fi with Mobile Hotspot support | |
| Bluetooth: Version 3.0 Bluetooth | |
| Infrared: Not Available | |
| USB: Version 2.0 microUSB | |
| NFC: Not Available | |
| GPS System: GPS with A-GPS support | |
| Multimedia Features | FM Radio: Yes |
| Video playback: Supports MP4/ H.264/H.263 player | |
| Audio playback: Supports MP3/eAAC+/WAV Player | |
| Doc Support: Microsoft Word, Excel, PowerPoint , PDF Editor | |
| Flash Support: Adobe Flash | |
| Java Features: Java with MIDP Emulator | |
| Battery | Battery Type: Li-Ion 1300 mAh Standard Battery |
| Charging Connector: micro USB | |
| USB Charging: Yes |
Samsung Galaxy Ace Duos will go on sale globally this summer and Russia being the first. Then followed by other countries. However, the price of Galaxy Ace Duos is still unknown.