1. drog92's Avatar
    when you are sing a custom 4.1 firmware, do you need to be in DFU more or recovery mode, or just plain hold shift and restore and do it like that??? just need an answer to that and i will be perfectly fine
    2010-09-23 04:53 AM
  2. Cer0's Avatar
    Some say DFU but I seem to get an error when I do that so I just do it normally(shift-restore) and get no errors.
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    2010-09-23 04:55 AM
  3. jkmonkey's Avatar
    I've always done it right from normal operating mode. If you run into problems doing it that way just put it in dfu and try again.
    2010-09-23 04:55 AM
  4. drog92's Avatar
    i just got error 1601 in DFU mode, do you know what that is?
    2010-09-23 05:06 AM
  5. Cer0's Avatar
    That is the error I get in DFU mode. So just got the normal route and use shift-click while in normal mode.
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    2010-09-23 05:17 AM
  6. drog92's Avatar
    alrighty..... im trying DFU again and then i will try the normal way.... but the other times i tried the normal way it put my phone into recovery mode

    now im getting error 21 in iTunes
    Last edited by drog92; 2010-09-23 at 05:58 AM. Reason: Automerged Doublepost
    2010-09-23 05:58 AM
  7. Cer0's Avatar
    Old post but may still be relevant.

    In my experience, every single time I restore any iphone to a custom firmware on my mac I have to go in to "user(your user name)/library/itunes/devicesupport/ then delete every file in the folder. Then open (custom build program) and create a new custom firmware.. follow the instructions to put the phone in DFU and finally restore to the newly built firmware file.
    Last edited by Cer0; 2010-09-23 at 06:07 AM.
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    2010-09-23 06:04 AM
  8. drog92's Avatar
    Old post but may still be relevant.
    aha...did you gooe it???? becuase i found this too

    would that delete the backups that i have for my phone??????
    Last edited by drog92; 2010-09-23 at 06:54 AM. Reason: Automerged Doublepost
    2010-09-23 06:17 AM
  9. jkmonkey's Avatar
    I just installed a custom 4.1 on my 3GS with no errors at all. Did it from normal mode, just shift+click restore.
    2010-09-23 05:06 PM
  10. fc97accord's Avatar
    Use tinyumbrella to kick it out of DFU mode
    2010-09-23 06:45 PM
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