Which phone and iOS, and did you update iOS OTA?
Restore to 8.1 clean and retry.
If I restore my phone as new, then jb, then restore from backup, will my phone still have the jb on it? Wouldn't that erase the jb?
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Found answer to back up question:
https://forums.macrumors.com/threads/1692387/
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K. Will do.
8.1. I did update to 8.1 OTA. iPhone 6.
Back up, DFU restore to 8.1, restore the backup, turn off touchid, passcode & find my iphone then do the JB.
So, apparently when you restore you have resubmit your cards to Apple Pay and you have to redo all your fingerprints for touch ID. Ug. I get it, but ug.
People have reported making an encrypted backup in iTunes backs up your health info, so it might be the same for apple pay cards and fingerprints
Actually Pangu is advising to do it the otherway around:
DFU restore to 8.1
JB
Restore backup
I just keep getting this error. I've restarted, hard reset. Anyone get past this?
I got that error with the Windows an Mac version of Pangu if I restored all my apps and music before Jailbreaking. After DFU restore without restoring from backup both Pangu versions completed the jailbreak.
This might be a low memory problem. My iPhone 6 is only 16GB.