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Discuss Best way to Relock iPhone? at the iPhone "2G" (Rev. 1) - Hackint0sh.org; Although I was already using AT&T before purchasing my iPhone, I decided to unlock my ...
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    Default Best way to Relock an iPhone?

    Although I was already using AT&T before purchasing my iPhone, I decided to unlock my iPhone anyways, so I would not have to purchase a data plan. Quickly I realized it is hardly worth having an iPhone without a data plan. So I am going to purchase a data plan, which means I no longer need my phone to be unlocked.

    I would really like to relock my phone, so I wont have to worry about bricking my phone for 1.1.1 and all future updates. I've searched for ways to relock iphones, but I haven't found anything that will definitely work. What is the best way to relock iphones? Is the iphone dev team still working on a relocking tool as reported last week? or have their priorities changed?

    My current firmware is 1.0.2

    Thanks.
    Last edited by superts; 10-01-2007 at 06:21 AM.



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    they are still working on a relocking tool, it will come as its the only way for unlocked phones to be updated successfully. unless the downgrade , reunlock then upgrade again, but I don't think they'll go that way

    you can relock manually if you want by reflashing the baseband with the 1.02 .fls and .eep files a guide can be found if you search the forum for virgin restore

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    deleted because of new information
    Last edited by mr_; 10-01-2007 at 11:46 PM.

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    Quote Originally Posted by superts View Post
    Although I was already using AT&T before purchasing my iPhone, I decided to unlock my iPhone anyways, so I would not have to purchase a data plan. Quickly I realized it is hardly worth having an iPhone without a data plan. So I am going to purchase a data plan, which means I no longer need my phone to be unlocked.

    I would really like to relock my phone, so I wont have to worry about bricking my phone for 1.1.1 and all future updates. I've searched for ways to relock iphones, but I haven't found anything that will definitely work. What is the best way to relock iphones? Is the iphone dev team still working on a relocking tool as reported last week? or have their priorities changed?

    My current firmware is 1.0.2

    Thanks.
    As long as you have never exposed your phone to 1.1.1 (and thus updated the baseband firmware) there seems to be a solution:
    revirginizing your phone with Erica's method and then unlocking it with Simfree from IPSF will make your phone safe for upgrading to 1.1.1. See http://hackint0sh.org/forum/showthread.php?t=8612 for details.

    The phone will be unlocked, but once it is upgraded to 1.1.1 you need activation (which for now means valid ATT SIM and account).

    To reiterate, if your phone still has 3.14 baseband firmware (i.e., 1.0.2), the following will work:

    1. Jailbreak if needed, set Auto lock to Never
    2. create a new directory (e.g. /relock) and download in it a copy of the original (stock) 3.14 firmware files and bbupdater
    3. Per instructions in the forums stop CommCenter, run bbupdater to reflash the baseband, restart CommCenter, take out SIM and reboot
    4. Install Simfree (via Installer is the easiest IMO) and run it. Reinsert the SIM after the license check if you need to.
    5. Reboot, and you should be good to go. If ATT customer, you can now update to 1.1.1 and reactivate.

    This has been confirmed by at least 3 people so far.
    Last edited by mr_; 10-02-2007 at 12:15 AM.

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    Thanks! I'll try these methods out.


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    I have this same situation. Please post your results. Thank you! -Bob

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    Question is: why would he need Simfree if the phone is put back to virgin state 1.0.2 and he doesn't need the unlock?!

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    The best way to put your iPhone back in a virgin state may be to uninstall every 3rd-party thing you can, upgrade to 1.1.1, then take it in to an Apple store and tell them you had a pay-as-you-go SIM.

    Supposedly, they had issues with bricking phones using perfectly 'legal' (in a warranty/TOS sense) pay-as-you-go SIMs. I make no guarantees, however.

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    The iUnlock/AnySIM methods write information to the EEPROM (seczone) that is not removed by a "virgin" restore. In fact, doing a complete baseband firmware restore on a v1.0.2 phone will result in an iPhone that will not accept any SIM card (even the original AT&T one) and present an invalid IMEI number.

    With v1.0.2, you can recover from this state simply by running the AnySIM or iUnlock tool again to replace the "patched" baseband firmware which overrides this state. Unfortunately, with v1.1.1 this is not currently possible, as you cannot get into the phone in the first place (no jailbreak as of yet), and the patch doesn't exist for the v1.1.1 baseband firmware anyway. Further, you cannot downgrade the baseband firmware, so once you go to v1.1.1, you're stuck in whatever state you end up in.

    IPSF appears to rewrite the EEPROM/seczone with the proper valid data, and unlock the iPhone using another method. This allows the stock firmware to work properly on both v1.0.2 and v1.1.1, without any patching required.

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    Question

    Quote Originally Posted by jhollington View Post
    IPSF appears to rewrite the EEPROM/seczone with the proper valid data, and unlock the iPhone using another method.
    Does it re-write the seczone? I got the impression that its method was more of an over-ride, where the seczone wouldn't have to be changed at all (even if it were previously modified by a free unlock).

    I don't claim any absolute knowledge on the matter, it's just the impression I got from reading certain threads around here.


 

 
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