✗ This firmware is not signed. This means you cannot restore to it in Finder, the Apple Devices app, iTunes, or idevicerestore.
| Release Date | September 29, 2025 |
|---|---|
| Upload Date | September 26, 2025 |
| Filename | iPhone18,4_26.0.1_23A355_Restore.ipsw |
| Filesize | 9.9 GiB |
| SHA256sum | 5732de090caba02ba8c87466b6a56ff8ff33893bf04d5ae15c8ae7e73e643998 |
| MD5sum | 3c733f0a4c7b54d0ce4ab3f41f483bfd |
| SHA1sum | bf97670aab75710de9463534604ba5534fbb4d67 |
| Identifier | iPhone18,4 |
This update provides important bug fixes and security updates for your iPhone, including fixes for the following issues:
Wi-Fi and Bluetooth may occasionally disconnect on iPhone 17, iPhone Air, and iPhone 17 Pro models
A small number of iPhone users may be unable to connect to a cellular network after updating to iOS 26
Photos taken under certain lighting conditions with iPhone 17, iPhone Air, and iPhone 17 Pro models may include unexpected artifacts
App icons may appear blank after adding a custom tint
VoiceOver may become disabled for some users after updating to iOS 26
For information on the security content of Apple software updates, please visit: