Mobile operators privatized in 1998 are leaders inside 7 from the 10 SMC areas
In 1998, Brazil was shared into 10 areas for Cellular Mobile Service ("Serviço Móvel Celular - SMC) delivery. The operators privatized from Telebrás System, first ones to start to operations, occupied Band A and the new operators, which had acquired the frequency in band B, initiated their commercial operations.
Fourteen years later operators of Band A are still leaders in seven from ten areas, Band B carriers lead in two areas and TIM, third company to break into the market in area 1 (area code 11), just conquered the leadership from Vivo (Band A).
| Area SMC | Order of beginning of commercial operation | Leader in Apr/12 | ||||
| First | Second | Third | Fourth | |||
| 1 | SP 11 | Vivo | Claro | TIM | Oi | TIM |
| 2* | SP Interior | Vivo | Claro | TIM | Oi | Vivo |
| 3 | RJ/ES | Vivo | Claro | Oi | TIM | Vivo |
| 4* | MG | Vivo | TIM | Oi | Claro | Vivo |
| 5* | PR/SC | TIM | Vivo | Claro | Oi | TIM |
| 6* | Rio G. do Sul | Vivo | Claro | TIM | Oi | Vivo |
| 7* | Middle-east | Vivo | Claro | TIM | Oi | Claro |
| 8 | North (7) | Oi | Vivo | TIM | Claro | Vivo |
| 9 | BA/SE | Vivo | TIM | Oi | Claro | Vivo |
| 10 | Northeast | TIM | Claro | Oi | Vivo | TIM |
* There were special situations, with CTBC being Band A in some cities inside the states of Minas Gerais (Uberlândia), São Paulo (Franca), Mato Grosso do Sul and Goiás. Sercomtel in Londrina (States of Paraná) and TIM in Pelotas (Rio Grande do Sul).
Vivo, TIM and Claro share the leadership inside these tem areas:
The following shows a detailed analysis of the fight for market share inside these SMC areas.
Area 1 - São Paulo Capital (area code 11): TIM conquers the leadership
TIM, third operator to break into the market, was the only one from these four carriers to gain market in 2012, overtaking Vivo in April.
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Claro presents trajectory of market share loss and can be surpassed by Oi.
Oi, which gained market share quickly since it started to operate in 2008, stabilized its participation percentage since 2010.
Area 2 - São Paulo Interior: Vivo and Claro compete for the leadership
Vivo (Band A) and Claro (Band B) are into fierce competition for the market share leadership in this area.
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TIM and Oi are slowly gaining market share.
Area 3 - RJ/ES: Vivo is the leader
Vivo (Band A) leads by holding 39.4% of market share and more than ten percentage points of advantage over the operator placed in the second position Claro (Band B).
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TIM and Oi compete for the third position.
Area 4 - Minas Gerais: Vivo leads
Vivo (Telemig - Band A) leads with 33.2% of market share and more than six percentage points of advantage over the operator placed in the second position TIM (Band B).
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TIM and Oi compete for the second position.
Area 5 - Paraná/Santa Catarina: TIM is the leader
TIM (Band A) leads having 45.4% of market share and more than twenty percentage points of advantage over the operator placed in the second position Vivo (Band B).
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Vivo and Claro compete for the second position.
Area 6 - Rio Grande do Sul: Vivo is the leader
Vivo (Band A) leads by holding 42.0% of market share and more than ten percentage points of advantage over the operator placed in the second position Claro (Band B).
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TIM and Oi compete for the third position.
Area 7 - Middle-east: Claro and Vivo compete for the leadership
Claro (Band B) and Vivo (Band A) compete for the leadership in Middle-east.
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TIM and Oi compete for the third position.
Area 8 - North: Vivo is the leader
Vivo (Band B) leads with 39.5% of market share and more than seven percentage points of advantage over the operator placed in the second position TIM, third operator to break into this market.
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Oi, which acquired Amazônia Celular (Band A) occupies the third position in market share. Claro, that broke into this area in 2008, conquered 9% of market share.
Area 9 - Bahia/Sergipe: Vivo is the leader
Vivo (Band A) leads with 30.4% of market share, but with advantage inferior to five percentage points of advantage over the operator placed in the second Claro.
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TIM (Band B) competes with Oi for the third position.
Area 10 - Northeast: TIM, Oi and Claro compete for the leadership
The Northeast region is the area where the competition is stronger, with TIM, Oi and Claro competing for the market share leadership.
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Vivo, which started to operate in this area in 2008, conquered 8.4% of market share.
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