Apple Resolves iPhone 15 Overheating with iOS Update After User Complaints

iPhone 15 models were overheating during setup, charging, and using certain apps due to an iOS bug.
Apple released iOS 17.0.3 to fix the overheating issue caused by the software bug.
Thermal imaging tests confirm the update successfully reduced iPhone 15 temperatures during intensive use.
The overheating fix does not impact iPhone 15 performance capabilities.
Some users report a speaker rattling issue at high volumes, which Apple is still investigating.