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Thread: Crash, No WiFi, Reset Network Settings, Boot Loop

  1. #1
    Green Apple
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    Unhappy Crash, No WiFi, Reset Network Settings, Boot Loop
    Hi All,

    Background of iPhone:
    Model: 3G[S] 32GB
    iOS: 3.1.2
    Jailbreak: blackra1n
    Unlock: blacksn0w (although later I realised I did not need to do this)
    Cydia: "Make my life easier"

    I tried to update my firmware a while ago to 4.2.1 without success so continued using 3.1.2 with Cydia broken. (Link in trackback).

    Just the other day I was happily slicing away at Fruit Ninja, thinking about buying the app when my iPhone froze up after exiting the game.

    I restarted the iPhone with the proverbial power/home button combo and started it with blackra1n as per usual. Later on I realised that I couldn't connect to my wireless and nothing was showing up in the available connections even though I know there was some in the vicinity. I thought I would reset the network settings. BAD move, after that the phone rebooted and ever since then has been in a reboot cycle which I can't break.

    I would love to be able to get the phone back up and working so I can perform a backup with iTunes.

    If worst comes to worst I will cut my losses reluctantly and upgrade the firmware but I have no idea if that is possible.

    Please your assistance would be much appreciated.

  2. #2
    Green Apple
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    Additional info:

    Unfortunately I acquired my iPhone too late to get the SHSHs for iOS v3.1.2 onto Suarik's server.
    The last time I was able to load Cydia before it crashed I was able to see the SHSHs that it had: 3.1.3, 4.0, 4.0.1, 4.0.2, 4.1, 4.2.1+

    If you wish to see the back story as to why I didn't upgrade here is the link

    I would appreciate anyones assistance please.

  3. #3
    Green Apple
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    Guys please help, I'm at my wits end.

    I've searched all over the site and I get little tid bits here an there but nothing concrete.

    Please point me in the right direction.

  4. #4
    Green Apple
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    -.- WTF.
    C'mon people.

  5. #5
    Retired Moderator iYeow's Avatar
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    Looks like you have shsh blob. You can restore to any of the firmware that has shsh blob for verification.
    Run latest version of Tiny Umbrella , on the left pane, you should see your device name ( if you have used TU on this device atleast once when your iphone was bootable, if not then you have to go another long way by retrieving ECID and input it into TU )
    Under General Tab, you should see some shsh blob, do a request from Cydia of shsh blob. I am sure you are competent on downloading the blob.
    Now Start Tss Server.
    Put your iphone into recovery mode and shift + restore to your desired firmware through itunes.

    Note : Notice you need unlock, so if you want IOS 4.1 and above, you must restore to custom firmware to preserve your baseband for Ultrasn0w to work. You can find whole bunch of tutorials from Iclarified website.
    Last edited by iYeow; 2011-08-30 at 03:45 AM.

  6. #6
    Green Apple
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    I downloaded the latest TU.
    I have used it before back when iOS v3.1.3 was the latest firmware.
    However TU does not show my device name.
    Under the "Show All SHSHs" it does show "iPhone3GS 3.1.3 (7E18)-563613900109"
    So I guess I'm going to have to retrieve the ECID somehow before I can proceed.

    When I originally purchased the phone my sim card was the first it had and Vodafone in New Zealand don't lock their devices I'm guessing that I don't need to unlock. However that said, because I have unlocked when I first got the device thinking I needed to, will I be required to when changing the firmware?

    Because I am wanting to keep the baseband (an I'm thinking I should be to keep the ability to jailbreak).
    I will be required to make a custom firmware, am I correct in my thinking?
    Using something like redsn0w or sn0wbreeze.

  7. #7
    Green Apple
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    iYeow, what's my next move?

    I appreciate your assistance.

  8. #8
    Retired Moderator iYeow's Avatar
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    I want you to create a custom firmware of 4.1 from snow breeze Hotfile.com: One click file hosting: sn0wbreeze-v2.1.zip
    Run redsnow b6 to just put iPhone into pwned dfu mode
    Once iPhone is into dfu mode, run iTunes : shift + restore to custom fw of 4.1
    When restored you are jailbreak and go to cydia and install ultrasnow to unlock

  9. #9
    Green Apple
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    Hi iYeow,

    I went through my iPhone data when I was playing around when the phone was working and found the ECID in hex.
    I loaded that into TU and was able to download the SHSH blobs from Cydia.
    So yay for that, as it turns out the number at the end of my previously saved 3.1.3 SHSH blob was the ECID in decimial.

    Just wondering if there is any way before I upgrade the firmware to access what currently exists on the phone to be able to copy some data out.
    I know the storage structure quite well and know where things are.
    I have not sync'd my phone with iTunes for some time.
    Upgrading the firmware will make me lose photos and phone numbers which is not good. Bad me for not syncing more regularly.

    Once again your assistance is appreciated.

  10. #10
    Retired Moderator iYeow's Avatar
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    Most likely you are going to lose your data if you haven't sync it. Can you ssh into your iphone or use any third party software to get into root system.

  11. #11
    Green Apple
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    I thought as much. Damn.
    I will try to SSH into the phone tomorrow but I am guessing without the phone being able to boot,
    the SSH ability won't have been loaded.

    I have downloaded a 4.1 ipsw.

    You are saying to use Redsn0w beta 6, which version of Redsn0w are we talking about?
    It's just to get into pwned DFU mode right so it shouldn't really matter, just have to get the right button combo?

  12. #12
    Retired Moderator iYeow's Avatar
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    redsnow 0.9.6

  13. The Following User Says Thank You to iYeow For This Useful Post:

    Sn1p3r (2011-09-10)

  14. #13
    Green Apple
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    No third party apps would see the iPhone.
    I had a further search on google which lead me back here to a post by Mes.
    I will give this a shot tonight and see how I get on, if I get the time. ..:: Link ::..

  15. #14
    Green Apple
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    Thanks for your assistance iYeow.
    Mes's post for Emergency SSH was just what I needed.

    Currently I am transferring my iPhone data to my PC as I type.

    Once this is done I will proceed in upgrading the IPSW to 4.1

  16. #15
    Green Apple
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    Well I restored my iPhone to iOS v4.1 and all is well.

    I did have to install Ultrasn0w to unlock the phone.
    I guess this is due to me originally unlocking the phone even though I really didn't need to, I was just going off what I was told.

    The phone has been operational for over a week now.
    Thanks once again iYeow.

  17. #16
    Retired Moderator iYeow's Avatar
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    You are welcome.

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