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Discuss Saurik's on "Caching Apple's Signature Server" at the iPhone 3GS - Hackint0sh.org; All iphone 3GS owner should be reading this post by Saurik, the creator of Cydia. ...
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    Default Saurik's on "Caching Apple's Signature Server"

    All iphone 3GS owner should be reading this post by Saurik, the creator of Cydia.

    Please read here: http://www.saurik.com/id/12

    I know many users reading this thread probably missed out the window when you could have allowed Cydia to store your ECID/SHSH.
    However, not all hopes are lost. MuscleNerd from the Dev-Team recently stated the following

    Quote Originally Posted by MuscleNerd
    - worth repeating to nervous 3GS owners: "once JB, always JB" even w/o signed files. Unless you update to official IPSWs.

    - a broken chain of trust means you can always update to pre-hacked IPSWs. Just have patience for the tools and stay clear of Apple's IPSWs.
    STAY CLEAR OF APPLE OFFICIAL FIRMWARE 3.1 UNTIL FURTHER ANNOUNCEMENT.
    Last edited by dtube; 09-15-2009 at 04:25 AM.
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    Brilliantly written.

    The good news is that there's a 3.1 JB coming.

    The sad news is that 3GS owners, like me, who didn't know about Saurik's 3.0.x ECID SHSH capture because I didn't access Cydia during that brief window of opportunity, might not be able to get 3.0.x onto our phones again if we upgrade to 3.1 (with or without any future 3.1 Pwnage tool). Looks like we have to wait for someone to develop and release a tool that uses the iBEC/iBSS and purplera1n ECID files to enable option-restore for 3.0.x on the 3GS.

    Can the Dev Team incorporate into Pwnage the ability to downgrade a 3GS to 3.0.x using those files, or does Pwnage do something completely unrelated?

    (edit: I realize this may be a stupid question. I admit being techno-challenged. I know what Pwnage does, but don't know the techno-details of how it works and whether this would be feasible.)
    Last edited by decagon; 09-15-2009 at 05:05 AM.

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    Let me go over some of the points mentioned in Saurik's article

    Bypassing the Overlord section:
    - you edit the hosts file on your computer to have this entry:
    74.208.105.171 gs.apple.com

    This entry will resolve gs.apple.com to that particular IP address which is Saurik's server instead of apple's server.

    Even if you don't want to jailbreak your iphone 3GS, you should consider using the service offered by Saurik for every firmware released by Apple.

    Performing the Restore section:

    You should not have any problem restoring with firmware 3.0 IF you iphone is "on file". Note: this is for iphone 3GS owners "on-file".

    For those who is not "on-file" with Cydia but have a copy of ibec/ibss or purplera1n file. You have to wait for someone to write a tool to use your saved file for a restore.
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    @decagon,
    I'm fortunate to have my 3GS on file with Cydia.
    As long as your phone is not on 3.1, you are ok.

    Say that you have your 3GS phone running 3.0/3.0.1 today, jailbroken. You don't have your ecid/ibec/ibss/shsh. If something happens to the phone tomorrow and it requires a restore. You will be able to restore to 3.0 or hacked 3.1 ipsw (hacked 3.1 ipsw = 3.1 without BB update) once Dev Team release the tool.

    Everyone should wait.
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    Thanks Great information,

    I've had a look in the etc/hosts file & it seems pretty straight forward
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    Read the stickies and search the forum before posting!
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    Quote Originally Posted by n350z View Post
    Thanks Great information,

    I've had a look in the etc/hosts file & it seems pretty straight forward
    My questions are below and pls bear with me as this is my first iPhone

    I have a 3GS factory unlocked with firmware 3.0.1

    I want to JB it. So If I follow Saurik's instruction can I

    a) jailbreak it
    b) will it deliver the two files to his server
    c) Do have to downgrade it to 3.0
    d) Is there any other thing I need to do? I have done the host file bits.

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    Quote Originally Posted by TheDon View Post
    My questions are below and pls bear with me as this is my first iPhone

    I have a 3GS factory unlocked with firmware 3.0.1

    I want to JB it. So If I follow Saurik's instruction can I

    a) jailbreak it
    b) will it deliver the two files to his server
    c) Do have to downgrade it to 3.0
    d) Is there any other thing I need to do? I have done the host file bits.
    Good that you have a 3GS factory unlocked with firmware 3.0.1. I assumed that "factory unlocked" means your phone is an "international" iphone that has been unlocked by Apple. In this case, you are very safe in term of the baseband because it will be unlocked forever.

    With that said, if you have cydia on the phone, very soon when you run cydia, it will give you the option to have your phone "on-file" with 3.1 firmware (you don't even have to install fw 3.1 on your phone).

    - At this point, you should wait for Dev Team's tool so you can have a jailbreak with firmware 3.1.
    - you will not be able to downgrade to 3.0 at the moment if you don't have the "key" stored on saurik's server.

    - In short, you are safe with a "factory unlocked" iphone 3GS as far as activation & unlock goes. For JB, you have to wait. Downgrading to 3.0 is only possible if you have the key stored on saurik's or until someone develop a tool to use those keys.

    WAIT.
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    Pls see bits in red below

    Thank you for your advise. Appreciated

    Quote Originally Posted by dtube View Post
    Good that you have a 3GS factory unlocked with firmware 3.0.1. I assumed that "factory unlocked" means your phone is an "international" iphone that has been unlocked by Apple Yes. In this case, you are very safe in term of the baseband because it will be unlocked forever.

    With that said, if you have cydia on the phone, very soon when you run cydia, it will give you the option to have your phone "on-file" with 3.1 firmware (you don't even have to install fw 3.1 on your phone) Confusing with the "WAIT" below. Should I upgrade then wait or should I upgrade and JB'ing or try JB'ing now?.

    - At this point, you should wait for Dev Team's tool so you can have a jailbreak with firmware 3.1.
    - you will not be able to downgrade to 3.0 at the moment if you don't have the "key" stored on saurik's server Which key is this? I have never JB'd or used Cydia before so key are not on his server.

    - In short, you are safe with a "factory unlocked" iphone 3GS as far as activation & unlock goes It is already activated as I have been using it for the last month. For JB, you have to wait. Downgrading to 3.0 is only possible if you have the key stored on saurik's or until someone develop a tool to use those keys.

    WAIT.

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    - if you are on firmware 3.0 or 3.0.1, you can jailbreak using redsn0w. Stay on those firmware and DO NOT upgrade YET.

    - They key mentioned here is the ecid/shsh signed with firmware 3.0 that would allow you to downgrade to 3.0 if needed.

    - if you JB your phone now, Cydia will be on the phone. Later on, when you run it, it will give you the option to save your ecid/shsh with firmware 3.1

    Like i said, you have factory unlocked phone, you are relatively safe but always exercise caution and common sense. BTW, firmware 3.1 broke tethering even on a factory unlocked phone.
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    Thanks, I think I understand you now.

    I always planned to use redsn0w. So just to confirm, these are the steps I will follow:

    1. Backup using iTunes 8
    2. Change host settings to point to Saurik's servers. NOTE: I have never connected to his servers before
    3. Restore phone using downloaded 3.0.1
    4. Jailbreak using redsn0w
    5. restore backup

    Am I right?

    Quote Originally Posted by dtube View Post
    - if you are on firmware 3.0 or 3.0.1, you can jailbreak using redsn0w. Stay on those firmware and DO NOT upgrade YET.

    - They key mentioned here is the ecid/shsh signed with firmware 3.0 that would allow you to downgrade to 3.0 if needed.

    - if you JB your phone now, Cydia will be on the phone. Later on, when you run it, it will give you the option to save your ecid/shsh with firmware 3.1

    Like i said, you have factory unlocked phone, you are relatively safe but always exercise caution and common sense. BTW, firmware 3.1 broke tethering even on a factory unlocked phone.
    Last edited by TheDon; 09-16-2009 at 05:53 PM.


 

 
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