iOS 15.4 features a ‘Cosmetic Scan’ trade-in tool for iPhone.iOS 15.4 beta gains support for Custom Email Domains via iCloud+ subscription.iOS 15.4 allows third-party apps to fully utilize 120Hz ProMotion display on iPhone 13 Pro.

Universal Control is finally available in macOS 12.3 beta and iPadOS 15.4 beta.

iOS 15.4 beta adds support for unlocking with Face ID while wearing a mask.

iOS 15.4 beta adds 37 new emoji including saluting face, biting lip, heart hands and more.

iOS 15.4 beta 2 re-enables “Improve Siri & Dictation” for all users.

iOS 15.4 beta 2 contains code for the upcoming “Tap to Pay” feature in the U.S.

iOS 15.4 beta 3 adds the ability to save passwords with user name for iCloud Keychain.

iOS 15.4 beta 3 prompts iPhone users to “Review Emergency SOS”.

Apple Podcasts app on iOS 15.4 beta 3 gains new browsing filter options.

Siri gains new “American” voice in iOS 15.4 beta 4 and Dutch support in HomePod 15.4 beta 4.

iOS 15.4 beta 4 adds AirTag’s new anti-stalking warning message.

To find out what’s new in iOS 15.4, the previous major update, check out our coverage below:

iPad mini (5th generation), iPad Air (3rd generation).

iPad (5th generation), iPad (6th generation).

iPad Pro (1st and 2nd generations), 12.9-in.

iPhone 11 Pro Max, iPhone 11 Pro, iPhone XS Max, iPhone XS.

These files are available for download directly from Apple’s servers. Advanced users can use these files to perform a clean install, manually upgrade, or downgrade their device. If you are a novice user, you can simply update your iPhone, iPad or iPod touch using Settings > General > Software update. IOS 15.4.1 and iPadOS 15.4.1 were released today with bug fixes which include a fix for battery drain, braille devices and MFi hearing devices. ipsw firmware files can be used to manually upgrade or clean install on an iOS device using Finder or iTunes.

You can now download iOS 15.4.1 and iPadOS 15.4.1 directly from Apple’s servers for iPhone, iPad, and iPod touch.

Unlocks hub custom ipsw download