Romania

Orange
APN settings
 * username: internet
 * password: orange
 * APN name: internet

Vodafone
APN settings
 * username: internet.vodafone.ro
 * password: vodafone
 * APN name: internet.vodafone.ro

Cosmote (WnW)
APN settings
 * username: wnw
 * password: wnw
 * APN name: wnw