It is compatible with 2G and 3G networks. The weight of this mobile is very light. The display screen comes in 256k colors. The display screen has a scratch resistant surface. There is accelerometer sensor for UI auto-rotate. The alert types include MP3 ringtones and vibration. There is a loudspeaker but no 3.5mm audio jack. 2000 entries can be made in the phonebook due to high capacity of the internal memory. The internal memory is of 260MB. Call records can also be kept in the mobile. There is a microSD card slot which is expandable up to 16GB.

There is GPRS and EDGE for internet connectivity. The Sony Ericsson Zylo W20 does not support WLAN. For data transfer connectivity there is Bluetooth. It does not have an infrared port. It has a USB port. There is a 3.15 MP camera too. Geo-tagging and videocalling are two of its exclusive features. It can make good videos too. Messaging options include SMS, MMS, Email, IM and Push Mail. The colors in which it is available are Jazz Black, Chacha Silver, Swing Pink, Energetic Black, Meteorite White and Nebula Red. It has motion based and downloadable games. It is filled with Java applications. It has stereo FM radio with RDS.