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Discuss unlocked & jailbroken 3g OS 3.0 safe to upgrade OS? at the Jailbreakme.com (iOS 4.x jailbreak) - Hackint0sh.org; I have a jailbroken and unlocked 3g OS 3.0 baseline 04.26.08. I would like to ...
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    Default unlocked & jailbroken 3g OS 3.0 safe to upgrade OS?

    I have a jailbroken and unlocked 3g OS 3.0 baseline 04.26.08.

    I would like to upgrade OS to at least 3.1 since some programs do not work on 3.0. I did the jailbreak and unlock on this phone but I AM NOT a phone teckie and get totally confused reading the forum for whether it is safe for me to upgrade.

    Can I upgrade OS safely and keep the phone unlocked? If yes, how in layman's terms?

    Thanks!



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    Hi,
    Even I hv the same issue as "appleste". I have used Redsn0w (In Cydia) to unlock & jailbrake my IPhone 3G.
    Pl. suggest.

    Thanks,
    Dusmanta

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    Super Moderator Array Olethros's Avatar

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    Quote Originally Posted by appleste View Post
    I have a jailbroken and unlocked 3g OS 3.0 baseline 04.26.08.

    I would like to upgrade OS to at least 3.1 since some programs do not work on 3.0. I did the jailbreak and unlock on this phone but I AM NOT a phone teckie and get totally confused reading the forum for whether it is safe for me to upgrade.

    Can I upgrade OS safely and keep the phone unlocked? If yes, how in layman's terms?
    Quote Originally Posted by Dusbaba View Post
    Even I hv the same issue as "appleste". I have used Redsn0w (In Cydia) to unlock & jailbrake my IPhone 3G.
    You both have several options.

    The best option (and the one I recommend if you can use it) is to use PwnageTool to prevent baseband upgrade.

    iClarified - iPhone - How to Jailbreak Your iPhone 3G on OS 3.1.3 Using PwnageTool (Mac) to 3.1.3 or
    iClarified - iPhone - How to Jailbreak Your iPhone 3G on OS 3.1.3 Using PwnageTool (Mac) to 4.1

    Do not try 4.0 or 4.0.1 or 4.0.2 they are extremely slow on the 3G
    For 3.1.x either 3.1.2 or 3.1.3 are stable and okay to use.

    The current version of ultrasn0w can unlock baseband versions from 04.26.08 (shipped with 3.0) to 5.13.04 (shipped with 4.0, 4.0.1, 4.0.2). Ultrasn0w cannot currently unlock the baseband version 5.14.02 that ships with 4.1.

    If you are on windows but know someone with a mac, you can simply get them to make the custom IPSW and send it to you. That should work for all PwnageTool up to 4.1 on the 3G.

    PwnageTool has the advantage of preserving the current baseband (04.26.08 has proven to be extremely stable and still works fine for me on 4.1 - the early 5.x.x baseband - were much less stable - especially 5.11.07)

    Preserving the current baseband means keeping your ability to unlock and also it gives you the capability to 'rollback' to 3.0 if you decide you have problems with 3.1.3 or 4.1.

    Additionally, Pwnagetool doesn't support "upgrade" only "restore" - this results in a more stable update as you don't bring along as much "excess baggage, old settings etc" from the previous iOS version you ran.

    You get a one-time chance to "restore personal settings from iTunes backup" after you "restore the iOS" - so your personal data is not destroyed by using "restore" instead of "upgrade". You do need to be more careful though and I recommend you take a backup of the backup - so you get more than one chance to restore your personal settings.

    Otherwise, if you really don't want to use pwnagetool (you know no one with a mac at all).

    Redsn0w 0.9.2 supports jailbreak 3.1.3 and 3.1.2
    redsn0w 0.9.2 [iPhone Dev Team]

    You will need IPSW for 3.1.3 and 3.1.2 - download them here http://www.hackint0sh.org/f127/22056.htm

    Instructions are here (they aren't perfect but do work)
    iClarified - iPhone - How to Jailbreak Your iPhone 3G on OS 3.1.2, 3.1.3 Using RedSn0w (Windows)

    Do not try to go to iOS 4.x at all.. it's just too risky without Pwnagetool.
    Please read the stickies & search forum before posting!
    How to report an iTunes restore/update fail in a useful manner
    -

    iPad 3G 64GB (4.3.3, Redsn0w) oldest SHSH 3.2.2
    iPhone 4 32GB (4.2.1, Redsn0w JB-monte) oldest SHSH 4.1
    iPhone 3GS 32GB (4.3.3; Pwnagetool) factory unlocked oldest SHSH 3.1
    iPhone 8GB (3.1.3; Pwnagetool) AT&T Locked - Unlocked with bootneuter

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    Did we solve your problem? Got a dollar or two spare ? Donate!

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    Default Thanks Olethros

    I followed your instructions and using Windows, was able to upgrade to 3.1.2 and unlock.

    I appreciate the time you put into responding.

    Regards,
    Eliot

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    Hi,
    I used windows.I downloaded the iPhone1,2_3.1.2_7D11_Restore & uploaded to my Iphone thru Itunes. Now, my system shows version 3.1.2 & modem firmware as 05.11.07. Now I downloaded redsn0w-win_0.9.2 & followed the instructions. All steps got completed & I am finding cydia on my Iphone 3g. But I am not able to connected to any network of my cellular service provider. I am not seeing the jailbroken symbol in my iphone also. I tried with redsn0w-win_0.9.3,but that did not help either. Pl. help me how to proceed further.


    Thanks,
    Dusbaba
    Last edited by Dusbaba; 11-01-2010 at 04:35 PM. Reason: missed something

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    Super Moderator Array Olethros's Avatar

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    Quote Originally Posted by Dusbaba View Post
    Hi,
    I used windows.I downloaded the iPhone1,2_3.1.2_7D11_Restore & uploaded to my Iphone thru Itunes. Now, my system shows version 3.1.2 & modem firmware as 05.11.07. Now I downloaded redsn0w-win_0.9.2 & followed the instructions. All steps got completed & I am finding cydia on my Iphone 3g. But I am not able to connected to any network of my cellular service provider. I am not seeing the jailbroken symbol in my iphone also. I tried with redsn0w-win_0.9.3,but that did not help either. Pl. help me how to proceed further
    Install ultrasn0w from Cydia iClarified - iPhone - How to Unlock the iPhone 4, 3GS, 3G Using UltraSn0w

    redsn0w 0.9.3 is NOT what you want.
    Please read the stickies & search forum before posting!
    How to report an iTunes restore/update fail in a useful manner
    -

    iPad 3G 64GB (4.3.3, Redsn0w) oldest SHSH 3.2.2
    iPhone 4 32GB (4.2.1, Redsn0w JB-monte) oldest SHSH 4.1
    iPhone 3GS 32GB (4.3.3; Pwnagetool) factory unlocked oldest SHSH 3.1
    iPhone 8GB (3.1.3; Pwnagetool) AT&T Locked - Unlocked with bootneuter

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    Did we solve your problem? Got a dollar or two spare ? Donate!

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    Default

    Thanks a ton Olethros for responding so fast & ofcourse, for the solution. I could unlock my phone within minutes of reading your update.

    One more request:
    Now that my phone is with 3.1.2, will it be wise to update to 3.1.3 or some other higher version without loosing my unlock & jailbreak. I hv a MAC & also a windows laoptop.

    Thanks in advance,
    Dusmanta
    Last edited by Dusbaba; 11-03-2010 at 01:59 PM. Reason: typo

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    Super Moderator Array Olethros's Avatar

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    Quote Originally Posted by Dusbaba View Post
    Now that my phone is with 3.1.2, will it be wise to update to 3.1.3 or some other higher version without loosing my unlock & jailbreak. I hv a MAC & also a windows laoptop.
    Unless you encounter an app that really requires 3.1.3 - there is pretty much zero point running 3.1.3 - it fixes a handful of very obscure bugs and that's about it.

    Updating will break your jailbreak (you can re-jailbreak with exactly the same redsn0w procedure as you used for 3.1.2)

    Updating will break your unlock (however reinstalling ultrasn0w will restore your unlock)

    So in summary, yes you can update, but you have to redo everything to get jailbreak and unlock back - the fixes are not worth the effort.

    For the appstore apps that insist on 3.1.3 - there is a cydia package that tricks appstore into thinking you are running 3.1.3 even though you are actually running 3.1.2
    Please read the stickies & search forum before posting!
    How to report an iTunes restore/update fail in a useful manner
    -

    iPad 3G 64GB (4.3.3, Redsn0w) oldest SHSH 3.2.2
    iPhone 4 32GB (4.2.1, Redsn0w JB-monte) oldest SHSH 4.1
    iPhone 3GS 32GB (4.3.3; Pwnagetool) factory unlocked oldest SHSH 3.1
    iPhone 8GB (3.1.3; Pwnagetool) AT&T Locked - Unlocked with bootneuter

    -
    Did we solve your problem? Got a dollar or two spare ? Donate!

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    Thumbs up

    Thanks Olethros for the quick reply.

    Best Wishes,
    Dusbaba

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    Arrow Need some more suggestion now

    Hi Olethros,
    After the unlock & jail break as suggested below, things were going fine.Of late I found that the touch pad response of my 3G has slowed down specially while I want to slide the "unlock" to answer a call. And also while I want to search a contact. Is it some thing to do the software. I am with 3.1.2 (7D11) firmware 05.11.07,Iphone 3G.
    Can I fix the issues by upgrading to a new version without loosing my unlock & jailbreak. Thanks in advance for your suggestion.
    Best Wishes,
    Dusbaba
    Quote Originally Posted by Dusbaba View Post
    Thanks Olethros for the quick reply.

    Best Wishes,
    Dusbaba


 

 
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