The banking industry is crucial for economic growth and stability, with Nigerian banks playing a significant role in the country's economic system. The banking sector has evolved significantly, especially with the emergence of digital banking, driven by technological advancements like smartphones and the Internet. Digital banking offers benefits such as convenience, accessibility, cost savings, improved service quality, and competitiveness. Customer experience and service quality are essential in banking, with customer satisfaction determining the success of banks. Segmentation of customers and understanding consumer behavior helps in providing effective services. Customer relationship management (CRM) is vital for retaining existing customers, attracting new ones, and upgrading services to meet customer needs. Machine learning (ML) and artificial intelligence (AI) have revolutionized digital banking, offering numerous benefits such as fraud detection, real-time transaction monitoring, personalized recommendations, customer behavior analysis, risk reduction, cost savings, improved decision-making, and enhanced customer experience. AI-powered chatbots and virtual assistants provide 24/7 assistance, reducing wait times and improving customer satisfaction. These technologies also help in mitigating biases in credit scoring, promoting fairness and equal access to financial services. Overall, AI and ML have transformed the banking industry, leading to improved operations, customer service, risk management, and profitability while offering a more inclusive and personalized banking experience.