In a notice posted Saturday on Apple’s support page, the company expanded previously published safety information, warning users that iPhones contain magnets and radios that emit electromagnetic fields, which “can interfere” with medical devices such as now implanted pacemakers and defibrillators.
Saturday’s notice specifically warns users about the “magnets inside” the four iPhone 12 models, as well as MagSafe accessories. apple (AAPL) notes that versions of the iPhone 12 contain more magnets than previous iPhone models, but also said they do not present a greater risk of magnetic interference with medical devices than previous models.
Apple said in the update that medical devices may contain sensors that can react to magnets or radio waves that come very close. The company recommends keeping MagSafe iPhones and chargers at a “safe distance” from medical devices, which it sets at more than 6 inches away or 15 inches away when charging wirelessly.
When Apple unveiled the iPhone 12 last fall, the company also announced the return of MagSafe (formerly a beloved MacBook feature) for the iPhone. Customers can purchase MagSafe charging docks to cordlessly remove their devices and other magnetic accessories, including the cases and wallets that are attached to the backs of phones.
Apple did not immediately respond to a request for comment on why it is now expanding its security guidelines. But the Heart Rhythm Journal published a report earlier this month claiming that the iPhone 12 magnets that make it compatible with MagSafe accessories could interfere with an implanted defibrillator.
“Consult your doctor and medical device manufacturer for specific information about your medical device and whether you need to maintain a safe separation distance between your medical device and your iPhone or any MagSafe accessory,” Apple said in the notice. “Manufacturers often provide recommendations on the safe use of their devices around wireless or magnetic products to avoid possible interference.”
If a customer feels that their iPhone 12 or MagSafe charger is interfering with their medical device, they should stop using it, Apple said.
Another thing iPhone 12 users should keep in mind when using MagSafe chargers: Avoid placing credit cards, security badges, passports, or FOB keys between the phone and the MagSafe charger, as magnets can damage the magnetic strips or RFID chips of these items, warns Apple. . If you have a phone case that contains these items, be sure to remove them before charging the wireless device.
