For years, the standard for this firmware was a "semi-untethered" state. This meant that every time your device rebooted or ran out of battery, the jailbreak would deactivate, requiring you to manually re-run an app like Phoenix to restore your tweaks.
However, as of early 2026, developers have released methods to "untether" these devices, meaning the jailbreak remains active even after a full reboot—just like the classic jailbreaks of the early iOS era. Top Jailbreak Tools for iOS 9.3.6 ios 9.3 6 jailbreak untethered
kok3shi9 (also kok3shidoll) is a untethered jailbreak [note 1] for 64-bit devices running iOS 9.2 - 9.3. The Apple Wiki For years, the standard for this firmware was