Mobile Operator Information

Operating Brand: Oi

Network Technology: GSM / 3G

Mobile Network Code: 31

Web Site: www.oi.com.br

Operator Country Information

Operating Country: Brazil

Country ISO Codes: BR / BRA

Mobile Country Code: 724

Country Web Sites: Wiki Page | National Tourism Site

Network Frequencies

2G Bands: GSM 1800

3G Bands: W-CDMA 2100

4G Bands: LTE (In Trial)

5G Bands: LTE (In Trial)

Network Data Services

2G Data: GPRS / EDGE

3G Data: HSDPA 1.8 Mbps

4G Data:

Network History

Company Name: Tnl Pcs S.A.

2G Network: Launched GSM 1800 June 2002

2G Data: Launched EDGE October 2005

3G Network: Launched W-CDMA 2100 May 2008

3G Data: Launched HSDPA 1.8 Mbps May 2008

4G Network

4G Data:

The information on this page has been obtained from various sources. As companies regularly update their infrastructure and add new services, we cannot guarantee the accuracy of the Information.

Mobile operators may not announce new services, so it is possible that there is a lack of information.

Mobile network information on this page may change at any time due to updates. If you will cite the information on the page as a source, we recommend that you link to this page.

If you have a Oi SIM Locked phone and want to unlock it, you can use our SIM network unlock services.

We can provide Oi SIM Network Unlock PIN Code and other Unlock Codes for most Oi phone models.

Alcatel, Apple, Htc, Huawei, Lg, Motorola, Nokia, Oppo, Samsung, Sony, Zte, All Brands