iOS 18.3.1 (22D72) for iPhone 16 Plus

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

Release DateFebruary 10, 2025
Upload DateFebruary 8, 2025
FilenameiPhone17,4_18.3.1_22D72_Restore.ipsw
Filesize8.8 GiB
SHA256sum852ea7b53367123c03391a8352b0ed099f35b8fe27982cc4c2a41797fea1a4df
MD5sum49f25eddc96da051c02fd8925f2408ba
SHA1sum8177893b06863d32be0dda42c913390d137c7eac
IdentifieriPhone17,4

iOS 18.3.1 Release Notes

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

This update provides important bug fixes and security updates and is recommended for all users.

For information on the security content of Apple software updates, please visit this website:

https://support.apple.com/100100

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