Telefone celular sem sinal em área de cobertura - o que fazer?

Isso já ocorreu comigo, parentes e amigos, algumas vezes: o aparelho celular está em área de cobertura, às vezes a metros da antena da operadora, mas não apresenta nenhum sinal.

Sempre que isso aconteceu, tomei uma providência simples: retirei a bateria e depois a recoloquei. O sinal sempre voltou. Fácil assim.

Esse truque de retirar e recolocar a bateria serve também para outros erros inexplicáveis no aparelho. Portanto, antes de levar na assistência técnica, não custa tentar.

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