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Thread: Upgrade 3Gs from 3.1 so I can use my apps

  1. #1
    Default Upgrade 3Gs from 3.1 so I can use my apps
    Hello, I am new to this forum. I kindly ask for some help. I gave my husband my iPhone4 because his had issues so now I am having to go back in time and use my old 3Gs 32G (not too bad).

    I am fine with the new phone except that the version is so old that I can't use some of the apps that I am accustomed to having because they require at least 3.1.3.

    I would like to upgrade the version without loosing my jailbreak and unlock.

    I purchased this phone from Apple and I have an AT&T sim Card. I, however, live outside the US and unlocked the phone some time back with, I believe, Limera1n and I depend on it being unlocked.

    About the iPhone:
    Version - 3.1 (7C144)
    Model - MB718LL
    Modem Firmware - 05.11.07

    I use a Mac OSX 10.6.8

    Can you give me instructions for the best method to safely upgrade and to which version you recommend (I have heard that certain versions are sluggish on the 3Gs) to ensure that I keep my unlock.

    Many thanks,
    Melanie

  2. #2
    Retired Moderator iYeow's Avatar
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    This is what you can do :
    You have the oldbootrom and you have the unlockable Baseband which is very good.
    Firstly, download Tiny Umbrella , plug iPhone in , under adv tab, select : request shsh blob from cydia and click save shsh.
    Unselect this time and click save shsh.
    Look under general tab and let me know your shsh blobs.
    You must preserve your Baseband by restoring to custom firmware but you need the blob for restore.

  3. #3
    iYeow, Thank you so much for helping me. This what came up for the shsh blobs under the General tab

    iPhone3GS 4.3.5 (8L1)

    This was in the Log tab

    09/23/2011 15:37:28.664 Loaded History...
    09/23/2011 15:41:48.304 Caching shsh files...
    09/23/2011 15:41:48.310 Found [0] shsh files to cache...
    09/23/2011 15:41:48.314 Cached [0] shsh files
    09/23/2011 15:41:48.317 You are using the current version of TinyUmbrella.
    09/23/2011 15:41:57.426 Device connected: Drake's iPhone
    09/23/2011 15:41:57.442 Loaded History...
    09/23/2011 15:43:47.123 Started saving SHSHs for [Drake's iPhone]
    09/23/2011 15:43:52.243 For version [iPhone3GS 4.3.5 (8L1)] - This device isn't eligible for the requested build.
    09/23/2011 15:43:52.267 CYDIA DOES NOT HAVE YOUR SHSH FOR iPhone3GS 4.3.5 (8L1) THERE IS NO WAY FOR YOU TO GET THEM. SORRY. YOU ARE JUST TOO LATE.
    09/23/2011 15:43:52.275 Finished saving SHSHs for [Drake's iPhone]
    09/23/2011 15:43:52.373 Caching shsh files...
    09/23/2011 15:43:52.380 Found [0] shsh files to cache...
    09/23/2011 15:43:52.398 Cached [0] shsh files
    09/23/2011 15:44:51.684 Started saving SHSHs for [Drake's iPhone]
    09/23/2011 15:44:53.481 iPhone3GS 4.3.5 (8L1) SHSH SUCCESSFULLY saved! [Click Here to Open]
    09/23/2011 15:44:53.593 Finished saving SHSHs for [Drake's iPhone]
    09/23/2011 15:44:53.817 Caching shsh files...
    09/23/2011 15:44:53.833 Found [1] shsh files to cache...
    09/23/2011 15:44:53.869 Cached [1] shsh files

  4. #4
    Retired Moderator iYeow's Avatar
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    That is weird, did you request your shsh blob from Cydia.
    If this is the case , you only have 4.3.5, I advise you to stay at 3.1 for now and don't do any restore yet as you can only restore to 4.3.5 but there isn't any official custom firmware of 4.3.5. Wait till the release of IOS 5.0 and the Pwnage tools to be released.

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

    melanie3 (2011-09-23)

  6. #5
    Hi iYeow
    Yes, I requested shsh from Cydia.
    Thank you for your help. I guess I will just wait.
    -m

  7. #6
    Retired Moderator iYeow's Avatar
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    For your info, apple still signs 4.1 on 3gs, if you want, you need to create a custom firmware of 4.1, use redsn0w 0.9.6 b6 to only put iphone into pwned dfu mode, the option is the last under redsn0w.
    Once you are in dfu mode, run itunes : shift + restore and browse to custom fw of 4.1 already placed on your desktop.

    Here : http://www.iclarified.com/entry/index.php?enid=12349

  8. #7
    Hi IYeow,
    I downloaded redsn0w and the iPhone2,1_4.1_8B117_Restore.ipsw

    When I launch redsn0w the only options are to browse for teh proper ipsw or to cancel. I don't see an option to put iphone into dfu mode.

    Thanks

  9. #8
    Retired Moderator iYeow's Avatar
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    You browse to the stock 4.1 ipsw and hit next, you will see the option.

  10. #9
    iYeow

    I followed everything and I am now on 4.1 with 5.14.02. What now? How do I unlock?
    Thanks

    iYeow

    I followed everything and I am now on 4.1 with 5.14.02. What now? How do I unlock?
    Thanks

  11. #10
    Retired Moderator iYeow's Avatar
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    Oh, i did asked you to restore to custom firmware but you restored to stock firmware which updates your baseband. To unlock ,you need to update to ipad bb but it breaks your gps.
    Run Redsn0w again but this time only choose ipad bb update and then go to cydia and install ultrasn0w.

  12. #11
    I did restore to the custom firmware that you gave me the link for. Isn't it bad to go this route with the ipad bb?

  13. #12
    Retired Moderator iYeow's Avatar
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    When you did the pwned dfu , run itunes and shift + restore to custom firmware of 4.1 you created , not the stock firmware.
    Well, it is too late now, if you don''t mind losing the GPS function.
    Using ipad bb , only disadvantage is the Gps lost.

    Once your baseband is updated to ipad bb, you go to cydia and install Ultrasn0w again to unlock.

  14. #13
    I did select the custom firmware that I downloaded from the link you sent me. What other option do I have now? How do I get the ipad ipsw?

  15. #14
    Retired Moderator iYeow's Avatar
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    I didn't send you any link to custom firmware It was the guide to pwnage tools that i gave you so you can create yourself, sorry about the misunderstanding.
    Just run redsn0w and choose option ipad bb update to update to ipad bb.

  16. #15
    When I run redsn0w how do I find the ipad bb it just says browse or cancel??

  17. #16
    Retired Moderator iYeow's Avatar
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    Hold on, let me check. I haven't update any of my device to ipad bb.

    Try downloading ipad 1 , 3.2.2 firmware from iclarified and browse to it when redsn0w asked you to.
    Last edited by iYeow; 2011-09-24 at 03:52 AM.

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