KYIV, Ukraine, Oct. 06, 2025 (GLOBE NEWSWIRE) -- Kyivstar (Nasdaq: KYIV), Ukraine’s leading digital operator, has initiated a large-scale network modernization project that will run throughout 2025–2026. The initiative aims to enhance service quality, expand 4G network capacity, and prepare infrastructure for fifth-generation (5G) mobile communications rollout. Network modernization is a comprehensive set of technical measures aimed at upgrading and developing infrastructure, improving service quality, and ...