You also can’t downgrade to i OS 9.1 as Apple has stopped signing i OS 9.1 firmware file.
For tutorials on how to jailbreak i OS 9 – i OS 9.1: Last night, the Pangu team released their jailbreak tool for i OS 9.2 – i OS 9.3.
If you still want to upgrade i OS 11 on jailbroken i Phone despite unexpected error may occur, you can follow the detailed steps below. Step 2: It will pop up an update message to notify you that the latest i OS 11 system is available. Step 3: If there is no pop-up message, you can click your deviceclick “Update”.
i OS 11.2.2 focuses on fixing the Spectre vulnerability that took everyone by storm in the past few days.
It implements fixes in Safari and Web Kit patch Spectre (CVE-2017-5753/CVE-2017-5715) vulnerabilities.
Hope the 2 solutions above can help you update i OS 11.2/11.1/11 on jailbroken i Phone X/8/8 Plus/7/7 Plus/6s/6s Plus successfully.
If you want to be free from worries about “jailbroken i Phone will not update/stuck on update” issueor other update errors in i Tunes, updating via Tenorshare Rei Boot is the best choice.
Chinese hacker Min Zheng aka @Spark Zheng has published a You Tube video which demos a jailbreak for i OS 9.2.1 called Flying JB.