Universal Wireless Tech in Niagara Falls is highly praised for its excellent customer service and knowledgeable staff. Customers appreciate the helpful and polite attitude of the team, who are honest about prices and do not pressure them into unnecessary purchases. The business offers a wide selection of carriers and phones, making it a top choice for those needing new devices or repairs. Customers have experienced reliable support, including fixing issues like phones stuck in SOS mode, with staff working patiently and effortlessly to resolve problems. Overall, Universal Wireless Tech is regarded as the best cellphone dealer in the area, known for its friendly service, honesty, and a broad range of products and services.