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General Updating Jailbroken Device

ILowry82

ILowry82

macrumors 6502
Original poster
Sep 26, 2014
341
117
I am new to jailbreaking. I'm getting ahead of myself, but once a new update appears from apple, how do I go about updating the phone? I understand I have to wait until that software is jailbroken, but do I upate (losing jailbreak in the process) and re-jailbrake or is there a way to upgrade and keep my tweaks? Or am I stuck on 8.1.2 forever (just kidding)?
 
ILowry82 said:
I am new to jailbreaking. I'm getting ahead of myself, but once a new update appears from apple, how do I go about updating the phone? I understand I have to wait until that software is jailbroken, but do I upate (losing jailbreak in the process) and re-jailbrake or is there a way to upgrade and keep my tweaks? Or am I stuck on 8.1.2 forever (just kidding)?
Click to expand...

You need to restore with iTunes. I always put the phone into DFU mode and restore. As far as tweaks I always make that a good time to start over, just reinstalling what I need to. But there is apps in Cydia to backup and restore tweaks.
 
Ok so a DFU restore then. Will that wipe my phone? Would I be able to then restore from a backup?
 
Just clarifying, if I update to 8.2, will it let me restore a 8.1.2 backup?
 
The way I do it is just update through iTunes. Keeps all your tweak settings. Once updated just jailbreak again and install your tweaks are everything will be fine don't do a restore. Too much work.
 
iphonedude2008 said:
The way I do it is just update through iTunes. Keeps all your tweak settings. Once updated just jailbreak again and install your tweaks are everything will be fine don't do a restore. Too much work.
Click to expand...


You do know that each time you do it that way, you lose half a gig in storage space? Take a backup, restore in iTunes, and then restore backup. It doesn't make sense to cut corners.
 
iphonedude2008 said:
How do I loose ½ a gig? I've done this on a 16gb iPhone many times to no detriment
Click to expand...


Remnants of the previous jailbreak are still left behind. You absolutely are losing storage space each time you do it that way. It even tells you in cydia that in order to upgrade "with the best use of disk space" first restore in iTunes.
 
Syndicate0017 said:
Remnants of the previous jailbreak are still left behind. You absolutely are losing storage space each time you do it that way. It even tells you in cydia that in order to upgrade "with the best use of disk space" first restore in iTunes.
Click to expand...

That is true that remnant are left behind. However, everything in the system partition of the disk is replaced. Meaning any jailbreak app, Cydia, and any tweaks library is erased. The remnants are the preference files which are what the OP basically wants if he wants to keep jb data. I think no themes also persist, but again, the op clearly wants to preserve as much as possible.
 
It's all your own preference, sure files are left behind, but wether that will ever make a bit of difference? Probably not really.

Me, I just like starting over fresh. Makes me feel better:D.
 
iphonedude2008 said:
That is true that remnant are left behind. However, everything in the system partition of the disk is replaced. Meaning any jailbreak app, Cydia, and any tweaks library is erased. The remnants are the preference files which are what the OP basically wants if he wants to keep jb data. I think no themes also persist, but again, the op clearly wants to preserve as much as possible.
Click to expand...


More than the preference files are saved when you hit upgrade (restoring the backup restores those anyway). Cydia adjusts your file system and moves files around. Those files (as it's not a straight 1:1 replacement) get left behind. And you lose about 500 MB of storage space.
 
Don't touch erase button on the phone, if you are already jailbroaken.
Only restore.....and yes, everything will be deleted.
 
iphonedude2008 said:
The way I do it is just update through iTunes. Keeps all your tweak settings. Once updated just jailbreak again and install your tweaks are everything will be fine don't do a restore. Too much work.
Click to expand...

That's a very bad idea and advised strongly not to by jb devs.
You want to risk it and do it the lazy way go for it but others should not listen to the above advice.
If you want a stable and solid phone and jb always restore to stock ios and then jb and install your hacks again.
Do not do what the user above suggests.
 
So to clarify:
Back up device to iTunes
Restore (not update) via iTunes to new iOS
Jailbreak
Restore via iTunes to backup

??

What happens if you don't DFU?
 
Probably nothing, but to make it as clean as possible, DFU is no. 1
 
curiousgg said:
So to clarify:
Back up device to iTunes
Restore (not update) via iTunes to new iOS
Jailbreak
Restore via iTunes to backup

??

What happens if you don't DFU?
Click to expand...

DFU really only needed if you've corrupted the OS like if you tried Erase on a JB device. Restore perfectly fine.
 
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