Apple on Wednesday released iOS 11.0.3 with a couple of important updates for users. According to Apple, the update fixes an issue where audio and haptic feedback would not work on some iPhone 7 and 7 Plus devices. The update also addresses an issue where touch input was unresponsive on some iPhone 6s displays because they were not serviced with genuine Apple parts.
You can download the update by going to Settings > General > Software Update.