Verizon's Cellular Sales location at 870 S Mason Rd in Katy offers an excellent customer service experience, as highlighted by numerous positive reviews. Customers appreciate the knowledgeable and helpful staff, particularly Kevin, who consistently goes above and beyond to assist with phone upgrades and technical issues. Many visitors noted his exceptional service, detailing how he patiently answered questions and provided thorough explanations about new phone models and plans. Even when faced with system errors, Kevin and his manager Khalid worked tirelessly, demonstrating dedication and professionalism, ensuring that customers left satisfied with their new devices and plans. The store is often busy, but the staff takes the time to ensure that each customer feels cared for from start to finish. Overall, this Verizon location is highly recommended for anyone looking to upgrade their devices or switch plans, thanks to its friendly and committed team.