After analyzing discussions across X (Twitter), r/LegacyJailbreak, and iPhone Wiki, the consensus is that from April 29 of some year when iOS 9 was still being signed.
If you found this file online (not from Apple directly), it could be:
| iOS Version | Last Signed Date | |-------------|------------------| | iOS 9.0 | ~Oct 2015 | | iOS 9.1 | ~Dec 2015 | | iOS 9.2 | ~Feb 2016 | | iOS 9.3.5 | Aug 2016 – Oct 2016 | | iOS 9.3.6 | (only for cellular iPads/iPhone 4s) |
If you are looking for a "paper" (technical overview or documentation) regarding
After analyzing discussions across X (Twitter), r/LegacyJailbreak, and iPhone Wiki, the consensus is that from April 29 of some year when iOS 9 was still being signed.
If you found this file online (not from Apple directly), it could be: Ios9 Signed 0429.zip
| iOS Version | Last Signed Date | |-------------|------------------| | iOS 9.0 | ~Oct 2015 | | iOS 9.1 | ~Dec 2015 | | iOS 9.2 | ~Feb 2016 | | iOS 9.3.5 | Aug 2016 – Oct 2016 | | iOS 9.3.6 | (only for cellular iPads/iPhone 4s) | After analyzing discussions across X (Twitter)
If you are looking for a "paper" (technical overview or documentation) regarding and iPhone Wiki