<h1>SBI resolves four-hour disruption in UPI and mobile banking services, apologizes to 50 crore customers for inconvenience.</h1> SBI customers experienced a disruption in UPI and mobile banking services for over four hours due to technical issues, which began around 12:30 PM on Tuesday. The bank announced that the issues were resolved by 5 PM. SBI, serving 50 crore customers, apologized for the inconvenience but did not specify the cause of the outage. The Reserve Bank of India has been urging banks to ensure seamless service connectivity and quickly address disruptions, warning of strict actions against non-compliance.