The W279 (a.k.a. Samsung Primo Duos) is a always on dual SIM phone that supports a GSM and a CDMA network. The Samsung W279 handset is best for those who are using both these networks and looking for single phone that can run different networks.
The main features are, you can use the GPRS or EDGE network on the GSM network and 3G via the CDMA network. The handset supports dual standby and comes with a 2.3 inch TFT QVGA screen with alphanumeric keypad. The screen resolution is 320 by 240 with 256k colours.
The W279 comes with 90 MB internal memory with microSD card slot that supports up to 16 GB storage cards. The media player can play MP3, MP4, H.263/264 and MIDI files. For live music on the move there is the FM radio option.
This Samsung handset weighs 103 grams with a 14.07 mm thickness and available in gray and black colours. There is a built in CMOS camera for 2 megapixel resolution which can click images in max 1600 x 1200 pixel resolution. Video capture is also supported.
Other features are 3.5 mm jack, built in games, WAP browser, MP3 ringtones and micro USB. A 1200 mAh li-ion battery powers this phone. Standby time and talktime are currently unknown.
The Samsung W279 price in India is Rs. 5,990 and the box pack contains the handset, headset, battery / charger and user guide.
3G: CDMA EVDO 800/1900MHz
2G: GSM 900/1800
Data: GPRS, the CDMA 1X, the EVDO rev.A
Camera: 2 MP without flash
Java: supports Java MIDP 2.0
Browser: WAP 2.0
Battery: 1200 mAh