iOS 15.4.1 (19E258) for iPhone X (Global)

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iOS 15.4.1 Release Notes

Please note, the documentation below is supplied from Apple's update servers. We don't modify the contents of this documentation.

This update includes the following bug fixes for your iPhone:

• Battery may drain more quickly than expected after updating to iOS 15.4
• Braille devices may become unresponsive while navigating text or displaying an alert
• Made for iPhone hearing devices may lose connection within some third-party apps

For information on the security content of Apple software updates, please visit this website:

https://support.apple.com/kb/HT201222