 Impaka ku itegeko ribangamiye ubwisanzure muri Tanzaniya Tanzania: Kompanyi za telefone zaciwe amande Umwana wimyaka 17 yikoreye telefone Mu gihe hasigaye amasaha gusa ngo italiki ntarengwa ishike amakarata simu hafi imiliyoni 20 ntiyandikishije hakurikijwe ubuhinga bushasha. 