✗ This firmware is not signed. This means you cannot restore to it in Finder, the Apple Devices app, iTunes, or idevicerestore.
| Release Date | November 8, 2023 |
|---|---|
| Upload Date | November 3, 2023 |
| Filename | iPhone13,4_17.1.1_21B91_Restore.ipsw |
| Filesize | 7.3 GiB |
| SHA256sum | 6d0fdc965d5ede25baaae36a03914109520225e617c8ae50fd461f293135fa34 |
| MD5sum | fd6b63aceba26bef11cbda4c72b23f40 |
| SHA1sum | b3357869ea02564a8bb078e3a19a0dfb3827e1c4 |
| Identifier | iPhone13,4 |
This update provides bug fixes for your iPhone including:
In rare circumstances, Apple Pay and other NFC features may become unavailable on iPhone 15 models after wireless charging in certain cars
Weather Lock Screen widget may not correctly display snow