Download iOS 17.5.1 (21F90) for iPhone 15
You will have to note that you can only restore signed IPSW firmware files using iTunes or 3utools.
❌ This IPSW firmware is not being Signed by Apple
| Firmware Identifier | iPhone15,4 |
|---|---|
| iOS Version | 17.5.1 |
| Release Date | 2024-05-20 |
| Update Date | 2024-05-17 |
| Sha1sum |
b8b9b53e56b81056d7edbfacbb279a613daa9db3
|
| Sha256sum |
eaa1d9f7da8df40a2b1cf1394abd38cdbcd709fb854aea2f4a0a867e3d770f2b
|
| md5sum |
9190b62b420b78cb7b0023079f796b55
|
| Size | 7.54 GB |
| FileName |
iPhone15,4_17.5.1_21F90_Restore.ipsw
|
| Status |
|
Release Notes
It should be noted that these are the official release notes for the from Apple
Emoji
- New mushroom, phoenix, lime, broken chain, and shaking heads emoji are now available in the emoji keyboard
- 18 people and body emoji add the option to face them in either direction
Apple Podcasts
- Transcripts let you follow an episode with text that highlights in sync with the audio in English, Spanish, French and German
- Episode text can be read in full, searched for a word or phrase, tapped to play from a specific point and used with accessibility features such as Text Size, Increase Contrast, and VoiceOver
This update includes the following enhancements and bug fixes:
- Music recognition lets you add songs you have identified to your Apple Music Playlists and Library, as well as Apple Music Classical
- Siri has a new option to announce messages you receive in any supported language
- Stolen Device Protection supports the option for increased security in all locations
- Battery Health in Settings shows battery cycle count, manufacture date, and first use on iPhone 15 and iPhone 15 Pro models
- Call Identification displays Apple-verified business name, logo, and department name when available
- Business updates in Messages for Business provide trusted information for order status, flight notifications, fraud alerts or other transactions you opt into
- Apple Cash virtual card numbers enable you to pay with Apple Cash at merchants that don’t yet accept Apple Pay by typing in your number from Wallet or using Safari AutoFill
- Fixes an issue where contact pictures are blank in Find My
- Fixes an issue for Dual SIM users where the phone number changes from primary to secondary and is visible to a group they have messaged
Some features may not be available for all regions or on all Apple devices. For information on the security content of Apple software updates, please visit this website: