Unjailbreaking

Feb 28, 2009
173
6
18
Arkansas
#1
I jailbroke my iPhone 3gs. Not doing anything with it so want to unjailbreak. cydia shows 4.0.1 I have not downloaded 4.0.2 yet. Can I just hit restore back to original configuration or will this brick the phone. Just wipe out and start over. Or do I need to get the file and use that to restore. Not technically brilliant....sorry for the goofy question.
 

Europa

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Senior Moderator
Dec 12, 2008
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#2
You can restore to factory settings or from backup on 4.0.1. That firmware file (ipsw) is already on your computer. Hit the shift key (option key on Mac) and then the restore button and browse for the ipsw. As of yesterday, Apple was still signing 4.0.1. If you get an error message saying that you're inelligible for that firmware build, you'll need to modify the Hosts file on your computer so it redirects from Apple to Saurik's server. I can give you directions for that. Just let me know if you're on a Mac or a PC.

Firmware file location:
On Windows:
Documents and Settings\<User>\Application Data\Apple Computer\iTunes\iPhone Software Updates
On Mac:
~/Library/iTunes/iPhone Software Updates
 
Feb 28, 2009
173
6
18
Arkansas
#3
one more question..........

If I install the 4.0.2 software and my phone is still jailbroken, what happens? Will I have a lovely expensive paperweight, or will it just go to being unjailbroken?
 

Europa

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Dec 12, 2008
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#4
Installing 4.0.2 will remove the jailbreak.
 

alpine3g

Member
Bronze
Aug 6, 2008
29
0
6
#5
You can restore to factory settings or from backup on 4.0.1. That firmware file (ipsw) is already on your computer. Hit the shift key (option key on Mac) and then the restore button and browse for the ipsw. As of yesterday, Apple was still signing 4.0.1. If you get an error message saying that you're inelligible for that firmware build, you'll need to modify the Hosts file on your computer so it redirects from Apple to Saurik's server. I can give you directions for that. Just let me know if you're on a Mac or a PC.

Firmware file location:
On Windows:
Documents and Settings\<User>\Application Data\Apple Computer\iTunes\iPhone Software Updates
On Mac:
~/Library/iTunes/iPhone Software Updates
I get the inelegible message, can you post instructions on how to point iTunes to Saurik's server. Im on a Mac.
 

samizm

New Member
Dec 15, 2010
2
0
0
#6
How do I reset my jailbroken iPhone 4 back to it's former self? And also will Apple store replace my phone as the main button needs a few presses before the menu shows,sometimes menu screen doesn't show either
 

iphonewarrior

Moderator
Moderator
Apr 11, 2008
13,847
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#7
With the phone plugged in, launch iTunes and click restore. Once the phone has restored, you will
He prompted to restore from backup or set up as new - make sure you hit set up as new phone.

The iPhone will now be clear of any past jailbreak. Apple should replace the phone if there is a problem with the hardware.
 

Mimut Rice

Member
Bronze
Jan 10, 2011
30
1
8
Central Texas
#8
My iPhone is currently on 4.3.2 and jailbroken. I am having some issues with it and want to restore to factory settings and then transfer my info back to it. I am not sure if I am going to jailbreak again in the future or not.

Can i just do a restore and update via iTunes or do i have to use tiny umbrella?
 

iphonewarrior

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Apr 11, 2008
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#9
If you want to restore the iPhone to stock firmware, hit the restore button in iTunes.

Tiny Umbrella is used for saving ECID SHSH blobs and for downgrading with ease.

FYI - If you restore, iTunes will download the lasted iOS which is 4.3.3 and install that on the device. 4.3.3 is jailbreakable :)
 
Dec 15, 2008
5,386
340
83
28
Pensacola, FL
#10
All I can say now since iPhonewarrior took this thread over is.. I hope you come back to the Jailbreak world!
 

Mimut Rice

Member
Bronze
Jan 10, 2011
30
1
8
Central Texas
#11
Ok cool! Thats what I thought but I wanted to make sure before I hit that button. I am cool with the upgrade to 4.3.3, I just wanted to make sure I was doing it properly so I don't brick my iPhone.

Thanks :D
 
Dec 15, 2008
5,386
340
83
28
Pensacola, FL
#12
Ok cool! Thats what I thought but I wanted to make sure before I hit that button. I am cool with the upgrade to 4.3.3, I just wanted to make sure I was doing it properly so I don't brick my iPhone.

Thanks :D
If you have bad luck like I do, you will brick your phone. Back a few updates ago, I used to have issues with bricking my iPhone when I just use the "Restore" function.

Will you return to the Jailbreak world in the future?
 
Dec 15, 2008
5,386
340
83
28
Pensacola, FL
#14
Its possible... My phone was just running REALLLY slow since I jailbroke it and I wanted to start fresh and go from there.
That's strange. I mean, don't get me wrong, I've heard of people with iPhone's running super slow. It all really depends on how much you have running at the time. Using "SBSettings" you can remove Processes that are currently running.

There are programs to increase your phone speed when opening stuff, but in my opinion that made it to fast for me.
 

Mimut Rice

Member
Bronze
Jan 10, 2011
30
1
8
Central Texas
#15
That's strange. I mean, don't get me wrong, I've heard of people with iPhone's running super slow. It all really depends on how much you have running at the time. Using "SBSettings" you can remove Processes that are currently running.

There are programs to increase your phone speed when opening stuff, but in my opinion that made it to fast for me.
Yeah I did that and it was still sluggish. So I am going to restore and see if that fixes it. My phone was running slow before I did the JB so I don't think the JB had anything to do with it. I should have started fresh when I did the JB and then added all my stuff on there but didn't think about it til after.
 

Kadelic

Genius
Gold
Jan 4, 2010
4,940
1,646
113
Dallas, TX
#19
Connect your phone to your computer, open iTunes and click on your device, click Restore.

What problems are you having? If you restore your device you'll be forced to update to the latest firmware which doesn't have an untethered jailbreak. Make sure you don't want the jailbreak before you restore.

What firmware are you currently on?
 

Europa

Moderator
Senior Moderator
Dec 12, 2008
28,365
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Utah
#20
Since you're not on the current firmware, you can just hit the update button in iTunes. It will be a little faster than restoring and it will remove the jailbreak just like restoring will. Your settings, apps, media, and data will all still be there when it's done.