You'll lose the jailbreak and need to re-jailbreak (if one is out for the update), but there are some settings that stick around after updating (! For example, I had installed a 5-row keyboard hack, and after updating, my keyboard was dead-on-arrival (it would not appear).I had to go into the keyboard settings and do some mucking around to get it back.If you’re not making warranty claims, you still might want to hold off creating a backup.Jailbroken i OS firmware can run riot accessing different parts of the filesystem usually only reserved for apps and system components.Do this instead: There are a lot of tales online – mainly anecdotal, which comes with the territory when it comes to jailbreaking – that creating a backup of a jailbroken device is a bad idea.There are a few reasons for this, one of which is that if you’re making a warranty claim it’s possible for Apple to tell that your device was jailbroken once some evidence of the jailbreak has been copied back to the freshly restored phone.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. 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.
Regarding the fact that various errors occur during updating, like i Phone stuck at Apple logo or black screen with spinning wheel, we will introduce an error-free i OS system recovery tool, Tenorshare Rei Boot.
This process is only possible using a downgrade, which can be a fairly difficult operation to complete (Apple authenticates all new software installs using their own servers).
SHSH blobs are in the process of being phased out in favour of the tougher-to-beat APTicket.
It will update jailbreak i Phone to i OS 11 within clicks.
Related Read: How to Backup and Restore i Phone before i OS 11 Upgrade Restoring jailbroken i Phone with i Tunes is a common way when it comes to updating i OS.