One network may offer cheaper daytime calls than the other networks, while another network may offer cheaper evening and weekend calls. With your Sony Ericsson W580i unlocked, you can choose which network you use at various times in order to get the best value!

Anyone who takes their locked Sony Ericsson W580i with them when visiting another country will be aware of the 'Roaming' feature and the charges which accompany this feature. Using roaming can cost you the earth, however with your Sony Ericsson W580i unlocked, you can avoid roaming charges and save a substantial amount of money by simply purchasing and using a local prepaid Sim card from the country you are visiting.

Sony Ericsson W580i phones that have been unlocked have a greater re-sale value than Sony Ericsson W580i phones still restricted to one specific network. Unlocked Sony Ericsson W580i that can be used on any network are much more attractive to a potential buyer!