The AT&T Store in New Haven offers a wide range of phones, tablets, smartwatches, and connected devices from top brands. They also provide flexible wireless data plans, including prepaid options with no annual contract or credit check. Customers can choose from popular unlimited data plans and enjoy the benefits of AT&T's nationwide 5G service, which is included at no extra cost. The store manager, Brian, is praised for his exceptional customer service and willingness to go above and beyond to assist customers. Customers describe him as helpful, polite, professional, and knowledgeable, making the overall atmosphere relaxed and welcoming. The employees at the New Haven store are also commended for their excellent service and dedication to ensuring customer satisfaction.