https://www.theguardian.com/technology/2023/sep/29/iphone-15-users-of-pro-and-pro-max-models-complain-of-overheating-issues

Some customers claim titanium frame of more expensive models becomes ‘so hot it’s too hot to hold’

Apple is facing complaints from users about overheating in relation to its new iPhone 15 models, with some customers claiming the titanium frame becomes too hot to hold.