Apple immediately launched a minor iOS 26.4.1 replace for the iPhone 11 and newer. Whereas the discharge notes for the replace solely point out unspecified “bug fixes,” we have now since discovered about two particular adjustments which can be included in it.

First, 9to5Mac noticed an Apple Developer Boards thread suggesting that iOS 26.4.1 fixes an iOS 26.4 bug that affected iCloud syncing in some apps.
Second, an enterprise-focused Apple help doc signifies that Stolen System Safety will likely be mechanically enabled on iPhones that replace from iOS 26.4 to iOS 26.4.1. This seemingly applies to gadgets which can be managed by a office/group, as iOS 26.4 already turned on the function by default for normal customers.
Launched in iOS 17.3, Stolen System Safety provides a further layer of safety within the occasion somebody has stolen your iPhone and in addition is aware of the machine’s passcode. The function is designed to cut back cases of thieves spying on an iPhone consumer’s passcode earlier than stealing the machine, usually in public locations like bars.
When the function is turned on, Face ID or Contact ID authentication is required for extra actions than normal on an iPhone, together with viewing passwords or passkeys saved in iCloud Keychain, making use of for a brand new Apple Card, turning off Misplaced Mode, erasing all content material and settings, utilizing cost strategies saved in Safari, and extra. No passcode fallback is out there within the occasion that the consumer is unable to finish Face ID or Contact ID authentication.
For particularly delicate actions, together with altering the password of the Apple ID account related to the iPhone, the function provides a safety delay on prime of biometric authentication. In these circumstances, the consumer should authenticate with Face ID or Contact ID, wait one hour, and authenticate with Face ID or Contact ID once more. Nonetheless, there isn’t any delay when the iPhone is in acquainted areas, corresponding to at house or work.
Previous to iOS 26.4, Stolen System Safety was turned off by default on all iPhones. It may be turned on within the Settings app beneath Face ID & Passcode.
