https://www.reuters.com/article/us-deutsche-telekom-nokia-europe-exclusi/exclusive-fearing-huawei-curbs-deutsche-telekom-tells-nokia-to-shape-up-idUSKBN2010TU

Deutsche Telekom has told supplier Nokia it must improve its products and service to win business installing the German group's 5G wireless networks in Europe, according to internal documents and a source with direct knowledge of the matter.