The Sony Ericsson W580i is a mid range slider style mobile phone in the Walkman series. The phone was announced on 26 March 2007 and was released. Product Description. The slim form factor of the W580 hides the Walkman 2.0 music player to make it simple to organize and play your favorite music. Find great deals on eBay for Sony Ericsson W580i in Cell Phones and Smartphones. Shop with confidence.