The South African prepaid market, it said, “continued to be tough in Q2 2026, specifically on voice service revenue trends”. In the third quarter of 2025, MTN South Africa’s voice revenue fell 2.8%. This will mark the fourth consecutive reporting period in which MTN South Africa has disclosed falling voice revenuePrepaid accounts for roughly 52% of MTN South Africa’s service revenue. MTN South Africa reported first-quarter Ebitda down 12.5% at a margin of 32.6%, down 4.1 percentage points year on year. A meaningful share of the traffic eroding MTN’s retail prepaid voice revenue crosses MTN’s own radio network on wholesale terms.