Hey there, we’re sorry to hear you’re experiencing slow performance with your new iPhone 17 Pro we know how frustrating that can be, especially when you’ve upgraded expecting a smoother experience. While the device itself is designed for fast performance, buffering can sometimes be caused by network or Wi‑Fi connection issues. If possible, we request you to try running a speed test on your home Wi‑Fi and also test the phone on a different network to see if the issue persists. You can complete our self- service form: https://www.att.com/get-support/?source=ILC208383817, where our experts can ensure there are no service disruptions in your area. Our team can help also help walk you through some troubleshooting steps to make sure your phone is running at its best. Thanks for choosing AT&T, we are here to help.