✗ This firmware is not signed. This means you cannot restore to it in Finder, the Apple Devices app, iTunes, or idevicerestore.
| Release Date | August 12, 2020 |
|---|---|
| Upload Date | August 7, 2020 |
| Filename | iPhone_4.0_64bit_13.6.1_17G80_Restore.ipsw |
| Filesize | 3.5 GiB |
| SHA256sum | 3ad1f9b0d37ca62c4f85b13a9809bc7046b74a3f98d6e8371f2b05d3668e0263 |
| MD5sum | c99466235b9b55e2b80adfc014d65708 |
| SHA1sum | fcadec2a6902c33224b22c30695746239bceeb2f |
| Identifier | iPhone8,4 |
iOS 13.6.1 includes bug fixes for your iPhone.
Addresses an issue where unneeded system data files might not be automatically deleted when available storage is low
Fixes a thermal management issue that caused some displays to exhibit a green tint
Fixes an issue where Exposure Notifications could be disabled for some users
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