11
Apple doesn't publish release notes for every release — none are available for iOS 11.4. Security fixes for this build are listed in Apple's security release notes.
Download iOS 11.4 for all compatible devices
This build is no longer signed. Files are listed for archival and research purposes.
| Device | Identifier | Status | Download |
|---|---|---|---|
| iPhone 5s (Global) | iPhone6,2 | Unsigned | Download |
| iPhone 5s (GSM) | iPhone6,1 | Unsigned | Download |
| iPhone 6 | iPhone7,2 | Unsigned | Download |
| iPhone 6+ | iPhone7,1 | Unsigned | Download |
| iPhone 6s | iPhone8,1 | Unsigned | Download |
| iPhone 6s+ | iPhone8,2 | Unsigned | Download |
| iPhone 7 (Global) | iPhone9,1 | Unsigned | Download |
| iPhone 7 (GSM) | iPhone9,3 | Unsigned | Download |
| iPhone 7 Plus (Global) | iPhone9,2 | Unsigned | Download |
| iPhone 7 Plus (GSM) | iPhone9,4 | Unsigned | Download |
| iPhone 8 (Global) | iPhone10,1 | Unsigned | Download |
| iPhone 8 (GSM) | iPhone10,4 | Unsigned | Download |
| iPhone 8 Plus (Global) | iPhone10,2 | Unsigned | Download |
| iPhone 8 Plus (GSM) | iPhone10,5 | Unsigned | Download |
| iPhone SE | iPhone8,4 | Unsigned | Download |
| iPhone X (Global) | iPhone10,3 | Unsigned | Download |
| iPhone X (GSM) | iPhone10,6 | Unsigned | Download |
| iPod touch 6 | iPod7,1 | Unsigned | Download |