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4.0 JB to 4.1 JB?

D

dmurray14

macrumors member
Original poster
Oct 31, 2005
91
0
I know there are plently of threads on this, but they seem to have conflicting info. I have an iPhone 4 with JB'ed 4.0, and I want to upgrade to a JB'ed 4.1. I don't care about an unlock. Most important thing is I don't want to lose any of my settings, texts, notes, legit apps, etc. I thought the best way to do this was to backup, upgrade to 4.1, restore, and then JB. But I've also read to never restore. So how do I do it? I don't want to lose anything (other than JB apps, which I don't mind re-installing).

Thanks!
 
Make sure you have everything back up onto iTunes before you upgrade. Since you don't care about the unlock (guessing you're using an official carrier) you can upgrade to 4.1 via iTunes.

Then to jailbreak you have 3 choices: Redsn0w, Limera1n, or Greenpois0n.
 
dmurray14 said:
Cool, and I'll keep all my settings/texts/ etc?

Thanks!
Click to expand...

Yes, If you do a regular Itunes upgrade you will not lose any of the Settings/text/ etc. They only thing you will lose is any existing JB and any JB apps. The regular Itunes apps will not be affected. Do not use the restore option use the upgrade option. The Restore will wipe everything.
 
PsstGreek said:
Make sure you have everything back up onto iTunes before you upgrade. Since you don't care about the unlock (guessing you're using an official carrier) you can upgrade to 4.1 via iTunes.

Then to jailbreak you have 3 choices: Redsn0w, Limera1n, or Greenpois0n.
Click to expand...

Is there an option if you want to keep the unlock?
 
PsstGreek said:
The new PwnageTool for Mac allows you to create a custom ipsw file to preserve the baseband. It allows you to safely upgrade.
Click to expand...

Is this for Mac only? I have 4.0 and would like to upgrade to 4.1 but I am using a windows PC.

I have AT&T for a service provider, but would LIKE to keep my unlockable baseband just in case.
 
LyricalMenace said:
Is this for Mac only? I have 4.0 and would like to upgrade to 4.1 but I am using a windows PC.

I have AT&T for a service provider, but would LIKE to keep my unlockable baseband just in case.
Click to expand...

You can use the latest redn0w on Windows buy you still need someone to "cook" an firmware for you on a mac (there are places only that you can download pre-configure firmware if you dare to trust them)
 
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