Metro by T-Mobile is highly praised for its excellent customer service and helpful staff. Customers appreciate the time employees spend to help understand and fix phones, often getting better deals compared to other stores. The staff, including representatives like Erlis and the new owner AZ, are described as friendly, knowledgeable, and eager to assist. Many reviews highlight quick, informative service, with staff helping customers find the best phones and accessories at great prices. Overall, customers leave satisfied with their experiences, noting the store's helpfulness, good deals, and welcoming environment.