✗ This firmware is not signed. This means you cannot restore to it in Finder, the Apple Devices app, iTunes, or idevicerestore.
| Release Date | September 1, 2020 |
|---|---|
| Upload Date | August 26, 2020 |
| Filename | iPhone_4.0_64bit_13.7_17H35_Restore.ipsw |
| Filesize | 3.5 GiB |
| SHA256sum | 3ef97c85f1c9674aaab7d51642ff13a5feecc1e7ab05a2c4f057a37fbf8dee8f |
| MD5sum | 1925c1783c4b8f3fdc19c376ee173ffb |
| SHA1sum | afa2233abca017a6b5b1f0966e28fbda4c050464 |
| Identifier | iPhone8,4 |
iOS 13.7 lets you opt-in to the COVID-19 Exposure Notifications system without the need to download an app. System availability depends on support from your local public health authority. For more information see covid19.apple.com/contacttracing. This release also includes other bug fixes for your iPhone.
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