Boost Mobile in Delavan, WI, offers a range of 5G devices and prepaid phone plans. Customers appreciate the excellent service provided by a representative named Oscar, who is described as fast, efficient, knowledgeable, and polite. Many reviews highlight his ability to make the process of switching carriers easy and enjoyable. However, some customers express frustration with recent corporate policies that complicate data management, such as the inability to reset data cycles after bill payments, leading to additional charges for data packs. Despite this concern, the overall experience at this location is positive, particularly due to Oscar's outstanding customer service.