iOS 17.3 (21D50) for iPhone 15 Pro Max

✗ This firmware is not signed. This means you cannot restore to it in iTunes.

Release Date 22nd January 2024
Upload Date 13th January 2024
Filename iPhone16,2_17.3_21D50_Restore.ipsw
Filesize 8.13 GB
SHA256sum 41956e06dc75ad2faac45952e2cd63f5181d9525d417b4bb8c1742130c88375e
MD5sum 022ad4270c00790f7200013652f68f21
SHA1sum b2f6371821f1fec17956dc98effe90b41cf39689
Identifier iPhone16,2

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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