Exclusive: Fearing Huawei curbs, Deutsche Telekom tells Nokia to shape up

BERLIN (Reuters) - 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.Europe's biggest telecoms operator has dropped Nokia as a provider of radio gear from all but one of its dozen markets in the region, according to the source and the documents - briefing notes for top Deutsche Telekom management reviewed by..