MTN Nigeria and Huawei have successfully launched Nigeria's first high-rate 400G/800G Hybrid Automatically Switched Optical Network (ASON) in Lagos in June 2025. This landmark achievement marks the entry of Nigeria's digital infrastructure into a new era of ultra-broadband and high reliability. The new network upgrade, which runs on MTN's Lagos dense wavelength division multiplexing (DWDM). MTN Group and NEC Corporation have announced the successful deployment of a 400G optical transponder solution, Phoenix, with both companies claiming it to be Africa's first. Phoenix is part of the Telecom Infra Project's (TIP) Open Optical and Packet Transport (OOPT) project group, a collaborative.