Operation frequency: 850/1900 GPRS and EDGE, and nationalwide 3G 2100. Minas Gerais state have extensive 900/1800 GSM and spotty 850 3G coverage too.
Coverage: Nationwide.

Offer name: Vivo Pré
Simcard cost: R$15,00 (5,50 Euro)
Data cost: R$1,90/MB (0,70 Euro/MB).

Data bundle: none
APN: zap.vivo.com.br
User: vivo
Require Password: no
Password:
Authentication: no

Obs: to activate a prepaid simcard user must make a call to any number except free numbers. An automatic system will pickup the call and ask for a valid CPF (Cadastro Pessoa Física), a brazilian document. So it´s better to ask for the attendant to make this process for you.

Dial *8000 to check balance.