This article offers troubleshooting steps for the Apple USB-C to Lightning Adapter if your new adapter isn’t working with your Lightning Sensor on your iPhone 15.
Some adapters require a firmware update for connectivity to work properly. If you have an Apple Mac computer, you can easily update the firmware using your Mac. Please follow the instructions below:
![](https://help.heartmath.com/wp-content/uploads/2024/06/Updating-Firmware-on-Apple-USB-C-to-Lightning-Adapter_page-0001-791x1024.jpg)