Apple released iOS 12.5.4 and iPadOS 12.5.4 on Monday. These contain security patches for iPhones or iPads old enough that they can’t upgrade to 2019’s iOS 13 or iPadOS 13 but are still in use.
iOS 12.5.4 and iPadOS 12.5.4 close security holes for older iPhones, iPads

Photo: Cult ofMac