flˈævɪˌoʊ wʌzɐ mˈɛmbɚɹ ʌvðɪ æŋɡˈoʊlə nˈæʃənəl tˈiːm, ænd wʌz kˈɔːld ˌʌp tə ðə tˈuː θˈaʊzənd sˈɪks fˈiːfə wˈɜːld kˈʌp, ɪnwˌɪtʃ hiː skˈoːɹd æŋɡˈoʊləz ˈoʊnli ɡˈoʊl ʌvðə tˈʊɹnəmənt, wɪð ɐ hˈɛdɚɹ ɐɡˈɛnst ɪɹˈæn tə klˈɪntʃ ɐ wˈʌn wˈʌn dɹˈɔː.
Flávio was a member of the Angola national team, and was called up to the 2006 FIFA World Cup, in which he scored Angola's only goal of the tournament, with a header against Iran to clinch a 1–1 draw.