TechCentral MTN Nigeria said on Wednesday it notified some enterprise customers about a potential service disruption to enable them put in place business continuity measures. The local unit of South Africa’s telcoms firm MTN runs Nigeria’s largest mobile phone network which generates around a third of the company’s revenue. The action was “a routine notification to a small group of businesses affected by a specific challenge in very few specific locations,” MTN said. “Maintaining network stability and high levels of customer service remains a key priority for us,” Karl Toriola, MTN Nigeria’s chief executive, said in a statement. Toriola said MTN aimed to inform customers in a timely manner so that they can put in place business continuity measures. Potential disruptions could be due to net...