Roberto Firmino's late strike ensured Brazil continued their winning start under Dunga with a 2-1 victory over Austria.
Neymar scored twice as Brazil ran out convincing 4-0 winners in an international friendly against Turkey in Istanbul.
Brazil has told its players they must avoid wearing earrings, caps and flip-flops while on international duty.
Neymar scored all four goals as Brazil thrashed Japan 4-0 in an international friendly in Singapore.
Oscar has signed a new contract with runaway Premier League leaders Chelsea which ties him to the club until 2019.
Brazil beat Argentina 2-0 in Beijing to claim the Superclasico de las Americas title, with Diego Tardelli scoring both goals.
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