iOS 26.4: Apple Releases Latest Critical iPhone Update With These Key New Features

IOS 26.4 Apple released iOS 26.4, released on March 24, 2026 (update published March 24, revised March 27).

IPhone models iOS 26.4 supports iPhones from 2019 and later, compatible with iPhone models from 2019 onward, including iPhone 11, iPhone SE (2nd and 3rd gen), iPhone 17 series and iPhone Air.

IOS 26.4 update The update downloads as a multi-gigabyte package and installs in minutes, update file size measured about 3.09GB on an iPhone 17 Pro Max; installation took under 20 minutes in one test.

Stolen Device Protection is turned on by default, stolen Device Protection is enabled by default in this release.

Emoji set The release adds eight new emoji, includes eight new emoji: distorted face, orca, ballet dancer, landslide, trombone, treasure chest, Sasquatch and fight cloud.