Apple has updated a support document for the iPhone 12 line, indicating that they can cause electromagnetic interference with medical devices such as pacemakers and defibrillators.
The company added that the iPhone and all Magsafe accessories should stay at least six inches (about 15 centimeters) from medical devices, or twice the distance if the devices are charging wirelessly.
Apple pointed out that all accessories (the MagSafe and MagSafe duo) contain radios and their magnets and electromagnetic fields can interfere with the devices. While the iPhone 12 models contain more magnets than any other Apple smartphone, there’s no greater risk – people should keep their phones away from medical equipment anyway.
According to an article earlier this month, three Michigan state doctors tested the interaction between an iPhone 12 and a patient’s implantable cardiovascular defibrillator – the medical device went into “suspended” mode during the test.
Doctors have also said that medical device makers should properly warn patients about the interaction – after all, no one can guarantee everyone is reading the iPhone safety information released by Apple.