Apple says the problem stems from its optical image stabilization (OIS) software. This software is used on all of the best iPhones to make images less blurry, compensating for hand movements whilst you take a picture. Another feature, closed-loop autofocus, which resists gravity and vibration to preserve sharp focus, is also at the heart of the issue.

Apple issues Warning to iPhone Users who Ride Motorcycles

Apple says that these systems are designed to be durable, but that they can be damaged by long-term and direct exposure to high amplitude vibrations: In particular, Apple says that high-power or high-volume motorcycle engines “generate intense high-amplitude vibrations, which are transmitted through the chassis and handlebars” which could damage an iPhone attached to the front of a bike for use with navigation or some other purpose. As such Apple says “it is not recommended to attach your iPhone to motorcycles with high-power or high-volume engines.” Attaching your iPhone to vehicles with small-volume or electric engines, such as mopeds and scooters, may lead to comparatively lower-amplitude vibrations. Apple also recommends using a vibration dampening mount to lessen the risk of damage to your iPhone and its OIS and AF systems. It is also recommended to avoid regular use for prolonged periods to further lessen the risk of damage. Apple has previously warned that OIS and closed-loop AF systems can similarly suffer from magnetic interference that degrades camera performance when used with certain ‌iPhone‌ accessories. All ‌iPhone‌ models from the ‌iPhone‌ 7 onward, as well as the ‌iPhone‌ 6 Plus and ‌iPhone‌ 6s Plus, have OIS and/or closed-loop AF and are potentially affected. Check Also: Apple Market Share Continues to Decline – Feel Sorry For Apple