Certain intense high-amplitude vibrations generated by high-volume or high-power motorcycle engines can degrade the cameras of an iPhone. Such vibrations are usually transmitted through handlebars or the chassis.
That is why Apple recommends that iPhone users do not attach their smartphones to the handlebars or the chassis of their motorcycles. It applies to iPhone 6 Plus, iPhone 6s Plus, as well as all other iPhones starting from iPhone 7 and newer.
The Cupertino giant did not specify why it issued the warning at this moment, but explained in detail why motorcycles could be harmful to your iPhone smartphone. The thing is that Apple iPhones uses technology like optical image stabilization (OIS) and closed-loop autofocus (AF) that use gyroscopes and magnetic sensors to help you capture sharp images and prevent unnecessary blur if you move while taking a photo.
Developers explain that these gyroscopes and sensors were not designed to withstand high-amplitude vibrations, so long-term exposure to such vibrations can lead to reduced image quality and overall degradation of these technologies.