C Spire has received mixed reviews from customers. One customer praised an employee for exceptional service when getting new phones, expressing a desire to give him 10 stars. However, another customer experienced delays and issues with a phone repair and insurance, leading to dissatisfaction. Additionally, some customers reported frustrations with device performance, prompting one to switch to another brand. Despite these issues, many appreciate the friendly, knowledgeable, and patient employees, who are recognized for their ability to help resolve various problems effectively. Overall, the service quality varies among customers.