Samsung Galaxy Win (GT-I8552) press images and specifications have surfaced on a Vietnamese retail site mainguyen. The features of the are slightly better than the Galaxy S2 Plus that went on sale in India recently. It is expected to come with a 4.7-inch (800 x 480 Pixels) Super AMOLED Plus capacitive touch screen display and run on Android 4.1.2 (Jelly Bean) with Touchwiz UI and Nature UX. The site listing says that it would be powered by a 1.2 GHz quad-core Snapdragon S4 chip with Adreno 203 GPU, but the Vietnamese site tinhte.vn speculates that it might feature a Snapdragon 200 processor.
It would feature a 5MP Auto Focus Camera with LED Flash and a VGA front-facing camera. The connectivity features include, 3G (HSDPA: 21 Mbps, HSUPA: 5.76Mbps), Wi-Fi 802.11 a/b/g/n, Bluetooth v 4.0, GPS/GLONASS. It would come with dual SIM support, as you can see the duos branding on the font and pack a 2000 mAh battery.
It is rumored to go on sale in Vietnam in May for 10,000000 Vietnamese Dong (~US$ 477).