United Internet, the internet conglomerate, has increased its stake in its mobile division 1&1 to 89.3% by investing 850 million euros in debt.[8143509][8135150] The move is intended to provide 1&1 with more financial flexibility to expand its network infrastructure.[8143509][8135150] The company's decision comes as it seeks to strengthen its presence in the German market.[8143509][8135150] United Internet's investment in 1&1 is seen as a strategic move to increase its market share and competitiveness.[8143509][8135150] The German company aims to use the extra funds to improve its network services and expand its coverage area.[8143509][8135150] The debt deal is part of United Internet's efforts to refinance its balance sheet and strengthen its financial position.[8143509][8135150]