Good iPhone overall. The only issue is that sometimes the screen will flicker. It happens very rarely though. I believe it has to do with the phone body holding electrical charge.
Response from ATT.comBy -Eli, AT&T CARE, July 23, 2025
Thank you for your feedback on the iPhone 16 Pro Max! We’re glad to hear you find it to be an above-average phone. We appreciate your input about the Email and Calendar apps, user experience is important, and your suggestions help highlight areas for improvement. In the meantime, you might explore alternative email and calendar apps available in the App Store that could better meet your needs. We’re here to support you in getting the most out of your device and your AT&T experience!