BERLIN, Germany,

Statement on Apple iPhone 12 and BIOTRONIK Devices

The most recent series of Apple iPhones include a stronger magnetic array than previous models. A recent study1 published in the HeartRhythm Journal reported that therapy was suspended when an iPhone 12 was brought into close contact with specific implanted cardioverter defibrillator (ICD) devices.

After further investigation, BIOTRONIK has concluded that there is no additional risk and our advice concerning potential interference from this and former iPhone models remains unchanged.

We continue to advise patients implanted with BIOTRONIK cardiac devices to maintain the recommended distance of at least 15cm (six inches) between their device and all cellular phones or household magnets. There are no additional precautions necessary for the iPhone 12.

For more information on the electromagnetic compatibility of BIOTRONIK devices, click here.


  1. Greenberg, J, Altawil, M R, Singh, G. ‘Life Saving Therapy Inhibition by Phones Containing Magnets’. HeartRhythm. 2020 DOI: