Apple customer service recommends avoiding phone cases with metal accessories as much as possible.

On September 12, the iPhone 17 series officially began pre-sales. With the official release approaching, rumors about metal phone cases affecting the signal of the iPhone 17 Pro have sparked widespread discussion. There are rumors that the iPhone 17 Pro series will have antennas distributed around the camera module, and if covered with metal or conductive materials, the phone signal will be affected. In response, Apple customer service stated that they have not received any notifications and will not comment on the rumors regarding the iPhone 17 Pro network. However, customer service advised against using phone cases with metal accessories, especially near the camera. There have been cases where metal phone cases caused issues with the iPhone camera function, but currently there is no evidence to suggest that it will affect the phone signal.