the four major cell phone service providers in rio de janeiro are vivo, tim, oi, and claro - they always have promotional plans with reduced rates and bonus offers such as free calls and texts to others that have the same provider.

visitors can research each company online for rate and plan information, along with specific chip details - most in store staff are helpful and friendly in providing the best customer service and support in regards to phone chips - for purchase visitors should stop by a physical store, with their passport and phone - after purchase, individuals can charge their phones with money at the newstands on the streets.