iOS 17.3 (21D50) for iPhone 14 Pro

✗ This firmware is not signed. This means you cannot restore to it in Finder, the Apple Devices app, iTunes, or idevicerestore.

Release DateJanuary 22, 2024
Upload DateJanuary 13, 2024
FilenameiPhone15,2_17.3_21D50_Restore.ipsw
Filesize7.4 GiB
SHA256sum35a2229560dc92a94bac9eedd60cd315cf942f71dcb5a050f1738f50efebad64
MD5sumcb6ce41d4b7398cb07e29f84ff710e54
SHA1sumd9daf2704225646278d179187c37e60b187c2d69
IdentifieriPhone15,2

iOS 17.3 Release Notes

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

Stolen Device Protection

  • Stolen Device Protection increases security of iPhone and Apple ID by requiring Face ID or Touch ID with no passcode fallback to perform certain actions

  • Security Delay requires Face ID or Touch ID, an hour wait, and then an additional successful biometric authentication before sensitive operations like changing device passcode or Apple ID password can be performed

Lock Screen

  • New Unity wallpaper honors Black history and culture in celebration of Black History Month

Music

  • Collaborate on playlists allows you to invite friends to join your playlist and everyone can add, reorder, and remove songs

  • Emoji reactions can be added to any track in a collaborative playlist

This update also includes the following improvements:

  • AirPlay hotel support lets you stream content directly to the TV in your room in select hotels

  • AppleCare & Warranty in Settings shows your coverage for all devices signed in with your Apple ID

  • Crash detection optimizations (all iPhone 14 and iPhone 15 models)

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:

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

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