Apple releases iOS 12.5.1 update with fixes related to the COVID-19 Exposure Notification feature which was added to older iPhones in December.iOS 12.5.1 fixes bugs related to Exposure Notification APIApple released iOS 12.5 for devices that could not update to iOS 14 with the crucial Exposure Notification feature. Users with older devices are encouraged to update and check if their region is participating in the COVID-19 tracking API.Read more