University of Nairobi Admission Letters 2025-2026. The University of Nairobi (UON) will release the Admission Letters 2025/2026 for undergraduate, postgraduates and diploma courses. Students required to download the same from smis.uonbi.ac.ke Student Portal online. UON Admission Letters 2025/2026 The Online application system provides a mechanism for applicants to track the progress of the admission process at any […]