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

Apple released iOS 26.4 iOS 26.4 was released on March 24.

Compatible iPhones specified compatible iPhones supports iPhone 11 and later, second- and third-generation iPhone SE, all iPhone 17 models including iPhone 17e, and iPhone Air.

Installation process provided install procedure install via Settings > General > Software Update and tap Download and Install.

Update file reported update file size measured 3.09GB on an iPhone 17 Pro Max in the article.

Stolen Device Protection enabled Stolen Device Protection by default the feature is turned on by default in iOS 26.4.