Redsn0w “Unable to recognize specified IPSW” Error in 0.9.5 with iOS 4

While trying to jailbreak (before unlocking) your iPhone 3G / iPhone 3Gs on iOS 4.0 using Redsn0w 0.9.5 you may have received an error saying:

Unable to recognize specified IPSW

So how to fix this unable to recognize specified ipsw error in redsn0w while jailbreaking your iPhone?

Well to be honest this is not a technical error with redsn0w unable to recognize specified IPSW (4.0 iOS firmware)while jailbreaking your iPhone. It just takes abit of common sense to avoid and / or fix this error because redsn0w is simply not able to recognize the ipsw file that you specified, means either redsn0w have some problem or the ipsw file that you are using.

How to solve Redsn0w “Unable to recognize specified IPSW” Error in 0.9.5 with iOS 4

If this error that “Unable to recognize specified IPSW” keeps bugging you by popping up whenever you try to select the downloaded iOS 4.0 firmware file by browsing for it in Redsn0w 0.9.5 while trying to Jailbreak (before unlock probably) your Apple iPhone 3G / iPhone 3Gs, you can fix it simply by making sure of these 2 things:

  1. Make sure that the right version and the latest build of Redsn0w is being used. To jailbreak iOS 4.0 on iPhone 3G / iPhone 3Gs you need Redsn0w 0.9.5 beta 5 build 3 ( download it from here for: Windows | Mac ) Maybe because your redsn0w version is not compatible with the ipsw or iPhone that you are trying to unlock, that’s why it’s giving error that it isn’t able to recognize the specified ipsw file.
  2. Make sure that you are using the right build of iOS 4.0 firmware specific for your Apple iPhone (3G or 3Gs). There may be confusion as  the GoldMaster release and final release use the same build number and file name for both builds is same. But you have to use the official iOS 4.0 for this purpose. You can see the list of the official download link for iOS 4.0 here.
  3. Make sure that the file that you downloaded is having extension .ipsw (and not .zip) if it is .zip, then rename it to .ipsw
  4. Change the folder for your redsn0w and ipsw file. If they are on desktop right now, make a new folder on desktop and move them inside that folder and launch again.
  5. Make sure that iTunes is updated to latest version.

Hopefully this will solve your “Unable to recognize specified IPSW” error in redsn0w 0.9.5 and your jailbreak procedure goes smooth.

112 Responses to Redsn0w “Unable to recognize specified IPSW” Error in 0.9.5 with iOS 4

  1. Lladro figurines

    RedSn0w 0.9.5 b5-2 is available for download now. Dev-team has updated RedSn0w 0.9.5 beta once again to jailbreak iOS 4.0 on iPhone 3G and iPod Touch 2G (non MC

  2. Nabeel

    b5-4 is available already . . .

  3. andreww

    i followed through these steps thoroughly and it is still unable to recognize the specified IPSW. Any more suggestions?

  4. Nabeel

    what is the version of ipsw you’re using and redsn0w too?

  5. victor

    Hi, I am getting same error message “Unable to recognize specified ipsw” with my IpodTouch 3g

    – redSn0w 0.9.5b5-3
    -firmware IOS4 “iPod3,1_4.0_8A293_Restore”

    thank for help me :)

  6. Nabeel

    did you get this fixed?

  7. newtrash

    Friends, I did the above procedure and the error message is the same!
    Someone found a solution??

  8. Nabeel

    what is the version of redsn0w and ipsw file name that you are using?

  9. Jacy

    I have restored my phone to firmware iPhone1,2_4.0.1_8A306_Restore.ipsw
    and am still getting the same message. I tried redsn0w 0.9.5b5-5 and also 0.9.3
    with no success. Can someone tell me what I’m doing wrong?

  10. Jacy

    NB: I’m using a Mac, and iTunes v.9.2.1 (4)

  11. Nabeel

    which iphone version do you have? 3G or 3Gs?

  12. jacy

    I have the 3g

  13. Al

    I have the same problem
    Device: ipod 3G (32)
    redsn0w_mac_0.9.5b5-5
    iPod3,1_4.0_8A293_Restore.ipsw

  14. tb

    3gs old bootrom
    official 4.0 (8a293)
    windows 7 32 bit / itunes 9.2.1.4
    redsn0w 0.9.5 beta 5 (not recognising ipsw)

    I heard if you have t-mobile you can jailbreak and unlock iphones, my buddy gave me an extra iphone 3gs he had left over from when he dumped his old lady for suckin off the gardener, i know the information is not important here but hey, its true and friggin hilarious, the guys actually kind of a douche, but hey free iphone, sometime it pays to tolerate people. Anyway I hooked it up to my itunes all excited to upload my songs n what not, updated, set out to JB & unlock and as you all know turns out im a f**kin idiot, so whats a blobless guy without his SHitSHit suppossed to do? Is my phone jailbreakable? I’ve been at this like a deranged fool for the entire week ive had this thing, its consuming me, im otherwise stuck with this blackberry pearl, how can everyone just sit there?! Someone help please, god let the torture end!
    thx!
    tb

  15. Bhaveen

    Hey guys i found a solution to the “unable to recognize specidfied firmware”.

    If the firmware you download from apple is iPhone1,2_4.0.1_8A306_Restore.ipsw.

    Then download the firmware 2_4.0_8A293_Restore.ipsw.

    Redsn0w will detect the 2_4.0_8A293_Restore.ipsw as your iphone 3g firmware and it will work.

    Hope this works for u

  16. silverhunk

    unable to recognize ipsw

    im getting this error can anyone help?

    im using redsn0w 0.9.5b-5 and iPhone3,1_4.0.1_8A306_Restore.ipsw

  17. bob

    i have this same problem using the same version of redsn0w and firmware but it doesnt work

  18. Sam

    hey, im having the same problem on my iTouch 2nd gen im using redsn0w 0.9.5b5-5 with “iPod2,1_4.0_8A293_Restore” anh hints on why this is happening? im using the MC model btw

  19. Nabeel

    were you able to fix it bob?

  20. Nabeel

    lolx. liked your comment though

    anyway, as you said you’re on old bootrom, then it can be done without shsh too.

    let me know if it’s still locked

  21. Nabeel

    you’re using wrong ipsw for 3G, download the correct one for your model of iPhone (from here: http://nabtron.com/download-ios-4-firmware-for-iphone-and-ipod-touch/2033/ ) and try again.

  22. Nabeel

    what’s your iPhone model?

  23. Julie

    hey
    i accidently deleted 2,1_4.0_8A293_Restore on my computer..
    so i’ve downloaded iphone 2,1_4.0_8A293_Restore from the link..
    i dun get how to update da file after..

    Once you have successfully downloaded the firmware for your device, hit the update button while holding the Alt / Option key and browse the file you just downloaded to install it on your device.

    is this how u do it?
    but where is the Option key?
    can u explain better please..

  24. Nabeel

    you’re on windows? you need to press “shift” key

  25. tb

    i am locked havent figured it out how to jailbreak yet. Any help would be outswtanding! thx.

  26. linda

    hi i want to downgrade my 3G from 4.0.1 to 3.1.3
    but then both the 0.94 and 0.95 redsn0w couldn’t recognize
    the iPhone1,2_3.1.3_7E18_Restore. and i got the info
    that i should download the 3.1.2 instead. my iphone is currently
    in an emergency mode. what should i do? thanks before

  27. Ty Jackson

    Thanks, would like to see a fix to this.

  28. Nabeel

    i think the article gives the solution to that!

  29. Ty Jackson

    Already tryed that fix, doesn’t work.
    3GS on 4.0.1, 5.13.04 base-band, doesn’t see the ipsw file, does not recognize it at all.

  30. Nabeel

    what’s the full name of the ipsw you’re trying to use?

  31. andreww

    im using the latesst for both

  32. Nabeel

    the file has a name?

  33. Annalieza

    Hi, i have been trying to complete this alllll night to no avail grrrrr.

    I have redsn0w_win_0.9.5b5-5 and have tried

    iPhone1,2_4.0_8A274b_Restore.ipsw,
    iPhone_1,2_3.0_7A341_Restore.ipsw

    but neither work, i have installed the Os4 legit through Itunes already onto my handset, its a 3g 8g but the newer ones – does this mean that i am not able to jailbreak it?

    Help :-( x

  34. Nabeel

    you’re using wrong ipsw, use the one specific for your iPhone 3G from here: http://nabtron.com/download-ios-4-firmware-for-iphone-and-ipod-touch/2033/

  35. Nabeel

    I’m not sure if you can downgrade to the previous version if you don’t have shsh blob saved.

  36. Nabeel

    There are issues with mc model

    the ipsw can be downloaded from: http://nabtron.com/download-ios-4-firmware-for-iphone-and-ipod-touch/2033/

  37. Nabeel

    thanks for sharing information.

  38. Nabeel

    do you want me to link the article for you or do it myself?

  39. Nabeel

    you’re using wrong version of firmware. Download from: http://nabtron.com/download-ios-4-firmware-for-iphone-and-ipod-touch/2033/

  40. Sam

    Anyone know why mine’s not working? I have a 3GS and I’m trying to use iPhone2,1_4.0_8A293_Restore.ipsw with redsn0w_win_0.9.5b5-5 and I’m getting the same error.

  41. Nabeel

    Try downloading the fresh copy of the ipsw from http://nabtron.com/download-ios-4-firmware-for-iphone-and-ipod-touch/2033/

  42. Robert

    Same problem with me the exact same software and hardware you’re using..
    Sam: fresh copy didn’t work either..

    I updated to 4.0.2 (8A400) by Itunes, i assume that you all have the same update?

  43. Nabeel

    Hmm.. you mean updating iTunes is causing redsn0w not to recognize the ipsw?

  44. Geoff

    I have the 4.0.2 (8A400) and I’m getting the “unable to recognize specified IPSW. This is my first unlock attempt so it’s been touch-and-go for me. I am guessing that there is no crack out yet for the 400 series? Thanks.

  45. Dominic

    I have a 3GS with 4.0.2 and I am using Windows Vista. I am using Redsn0w 0.9.5b5-5.

    I have tried following all of the steps including using the 4.0 ipsw file but I am still getting the same error message. Have you any suggestions?

  46. Megh

    I have a ipod touch (Non MC) 2nd Gen

    IPSW file name :- iPod2,1_4.0_8A293_Restore.ipsw

    Redsn0w file name :- redsn0w_win_0.9.5b5-5.zip

    still has the same error “unable to recognize the specified IPSW”

    Please Help

  47. Mehraab

    i have the same problem, i have redsn0w 0.9.5b-5 and iphone 3gs
    i downloaded iPhone2,1_4.0_8A293_Restore

  48. eduardo

    dude, your missing the point everybody keeps telling you that 4.0.1 and the late redsnow DON’T WORK and you keep giving the LINK for 4.0 already know that 4.0 and redsnow works, but I have 3G and 4.0.1and so far I have downloaded ALL redsnow vertions and NOTHING, the only thing that works is JAILBREAKME, but I rather do it.old fashion way. Hopefully somebody will come out with a sollution soon.

  49. Nabeel

    dude, you’re missing the point too…. to jailbreak 4.0.1 you need to use 4.0 with redsn0w . . makes sense?

  50. Joel

    Nabeel, the .ipsw file 4.0 is not working either. As far as i know, eduardo is right..

  51. YAmseen Awamleh

    i have an iPhone 3G
    itunes 9.2
    redsn0w_win_0.9.5b5-5.zip
    iOS 4.0
    and am still getting the same problem what do i do ?

  52. Jan

    iPhone 3G running 4.0.2 updated via iTunes 9.2
    Tried both redsn0w_win_0.9.5b5-4 and redsn0w_win_0.9.5b5-5 but I keep getting the error

  53. Christian

    Same problem i’ve been on my laptop for at least 4 hours now trying too jailbreak my iphone 3g version is 4.0.2 now.For some reason i cant get the firmware 4.0 i only got 4.0.2 firmware. When i doenload the firmwares online it wont even let me open it and yes i got windows 7 not mac so this is bullshit! I guess we could just wait till snowbreeze 1.16 or somethin comes out its a hole lot easier then this redsnow bullshit! Any suggestion!

  54. FAHAD

    Hi, same problem, Unable to recognize ipsw, using redsn0w 0.95 beta 5 and ipsw 4.0, Downloaded several time ipsw, restore it successfully but no luck inn jailbreaking.

  55. FAHAD

    downloaded from icommunity dev team link. using iphone 3G 4.0.1, 05.13.04

  56. Nabeel

    can you try downloading again from the links i provided?

  57. FAHAD

    Sir, i already restored from the ipsw. I think i have correct ipsw, 4.0, 4.0.1. i dont know ehy its not working. If you say, ill download from your link.

  58. Fahad

    No luck:-(

  59. Nabeel

    please tell me your iPhone model and ipsw full name that you used

  60. FAHAD

    iPhone1_2_4.0_8A293_Restore.ipsw i have 4 files downloaded from different locations.
    i have iphone 3g 4.0.1 baseband 05.13.04 bootloader 06.04.

  61. Nabeel

    Fahad, make sure that the file that you downloaded is having extension “ipsw” (check the downloaded file itself on your hard disk) and not “zip”

    If it is .zip, rename it to .ipsw

  62. Nabeel

    make sure that the file that you downloaded is having extension “ipsw” (check the downloaded file itself on your hard disk) and not “zip”

    If it is .zip, rename it to .ipsw

  63. Nabeel

    did you read the article to find the error cause? (all 3 reasons)

  64. Nabeel

    make sure that the file that you downloaded is having extension “ipsw” (check the downloaded file itself on your hard disk) and not “zip”

    and If it is .zip, rename it to .ipsw

  65. Nabeel

    make sure that the file that you downloaded is having extension “ipsw” (check the downloaded file itself on your hard disk) and not “zip”

    If it is .zip, rename it to .ipsw

    updated the article too

  66. Nabeel

    make sure that the file that you downloaded is having extension “ipsw” (check the downloaded file itself on your hard disk) and not “zip”

    If it is .zip, rename it to .ipsw

    there are 3 possible causes enumerated in the article.

  67. Nabeel

    make sure that the ipsw name has extension is .ipsw and not .zip, if it’s .zip then rename it to .ipsw

  68. Nabeel

    please make sure that the ipsw name has extension is .ipsw and not .zip, if it’s .zip then rename it to .ipsw

  69. Nabeel

    Geoff, make sure that the ipsw name has extension is .ipsw and not .zip, if it’s .zip then rename it to .ipsw

  70. Dominic

    I have already changed the file extension to .ipsw as it wasn’t showing up on Redsn0w.

    Any other suggestions would be much appreciated. Thanks in advance.

  71. Justin

    i performed every thing yhat you indicated. but still fail to work.

    my iPhone software version is 4.0.2

    the redsnow program: redsn0w_win_0.9.5b5

  72. Knopf

    same problem here

  73. Mohamed

    i have the exact same problem, even downloaded 3 times from different websites

  74. Karen

    Hi Nabeel,
    Thanks for the comments below.
    “make sure that the file that you downloaded is having extension “ipsw” (check the downloaded file itself on your hard disk) and not “zip” ”

    I am using the files below and still doesn’t work.
    redsn0w0.9.5b5-3
    iPhone1_2_4.0_8A293_Restore.ispw

    My iPhone 3G version 4.0.2 (8A400)

    Can you please assist me again? thank you.

    Karen

  75. Martin

    Nabeel, i have the same issue. DO NOT SAY the same things you have been saying to everyone else as i can read and i know that i have tried each of them and they DO NOT WORK. Please do you have any other suggestions.

    ipod touch 3g on 4.0.2
    dl’d the 4.0 final firmware from link you gave above
    using redsnow 0.9.5b5-5

    “Unable to recognize specified IPSW”

    Is there no fixe for 4.0.2 to jailbreak?

  76. Nabeel

    Added 4 and 5 to the probable fixes to the article, please check and tell me if they work for you (they are not the same ones! don’t kill me! I am just trying to help people here)

  77. Nabeel

    please check the point 4 and 5 in the article

  78. Nabeel

    were you able to fix it Fahad?

  79. Nabeel

    updated the post with 2 more solutions

  80. Nabeel

    article has been update, check point 4 and 5

  81. Nabeel

    article has been update, check point 4 and 5 above

  82. Nabeel

    updated the article, make sure you try all the possible solutions

  83. Howie

    Hi I followed all of your steps.

    I am trying to use the ipod touch 3g firmware final version from the link you provided someone else above, and have downloaded it from other sites as well (I tried both the 4.0 and the 4.0.2)

    I downloaded the newest itunes, changed folders, made sure it was .ipsw, i’ve also used 3 versions of redsn0w,the 9 version beta 3,4 and 5. I’ve also tried it on two different computers.

    nothing I do seems to work I get the same error every time

  84. Agary

    Hi .
    I have:
    iPod 3g 64
    OS : 4.0.2
    iTunes : 10.0.1
    redsn0w : redsn0w_mac_0.9.5b5-5
    I have same prb , and tried all of this points , But no succeed yet !
    what to do ?
    THX

  85. Dominic

    Nabeel, thank you for your help so far.

    I have tried the additional suggestions (changed folder in which the .ipsw is located & ensured itunes is up to date) and still get the same error message.

  86. Nici

    I really lol’d about Nabeel’s “all-the-same”-Answers…

    but yes, I’ve got still the same problem, tried every cause in the article (including the renaming wit .ipsw ;) ),… I’m trying to jailbreak my 3g since 3 days with all possible Firmware- and Jailbreaking-Tools, but I still have no luck… I’ll try a last shot now, if that doesn’t work either, I guess I need a dummy-guide… +.+
    Actually I’ve got the 4.0.2-Firmware (8a400), last try was the 0.9.5b5-5-Redsnow with that. Hasn’t worked.
    Now I’m downloading the 8a293 as a last try…

    Has anyone Popcorn for me? It’s getting thrilling now… ;)

  87. kevin

    quel qu’un aurrais un autre logiciel

  88. Nici

    Nasdrowje :)

  89. Dirk

    Thanks, works fine on my Iphone 3g, using IOS 4.1 :D :D :D

  90. Ketchie

    ok have a 2g not mc ipodtouch, have the the redsnow program: redsn0w_win_0.9.5b5 and trying to install 4.0.2 as have loaded and jailbroken to 4.0 but now Safari will not work or touch will not turn off?
    So trying to rebreak but with no avail, have done all as above also, and help would be fantastic

  91. Karen

    Hi Nabeel,

    Thank you for your help on this so far. I still get the same error on redsn0w “unable to recognize specified IPSW.” I followed step 4 (created a holder on the desktop) and 5 (version 9 iTune). I have the following items;

    iPhone1_2_4.0_8A293_Restore.ispw
    redsn0w0.9.5b5-3
    3GS 4.0.2 (8A400)

    Can you please help me on performing jailbreak?
    THANK YOU!

    Karen

  92. Darell

    I am having the same problem – I have downloaded the *correct* ipsw file several times (and on satellite speed that is miserable!)

    I have moved both redsn0w and the ipsw to c:\1
    I have iPhone 3gs 32gb
    I am on iOS 4.0.2
    firmware 05.13.04

    Has anyone found a true solution?

  93. Karen

    Hi,
    Can someone help me on this?
    I still get the same error on redsn0w “unable to recognize specified IPSW.” I followed step 4 (created a holder on the desktop) and 5 (version 9 iTune). I have the following items;

    iPhone1_2_4.0_8A293_Restore.ispw
    redsn0w0.9.5b5-3
    3GS 4.0.2 (8A400)

    Can you please help me on performing jailbreak?
    THANK YOU!

    Karen

  94. Nick

    hi, sorry but i haven´t been able to jailbreak my ipod touch… same as everyone else redsn0w keeps rejecting avery ispw… what can i do??? and i´ve already done all th steps

  95. Steven

    Phew! I just grabbed a newer version of redsn0w (0.9.6b1) from the following link, and it recognized the IPSW

    http://blog.iphone-dev.org/post/1160213613/redsn0wier

    Running the jailbreak now, I will report whether or not it was successful.

  96. gamma

    I guess posts on this board are not displayed immediately? I posted something around 4:00pm yesterday, and it only appears as though it appeared on the site at 1:35 am

    I only saw it appear once I posted another comment, which is not up yet either.

    Are posts moderated or something? If not, something is awry.

  97. Nabeel

    I just found your this comment in spam filter too!

    can you please tell me which browser or operating system are you using so that i can have a look at this?

  98. Frank

    Done. Jailbroken with ultrasn0w 0.9.6b1

  99. Nikhil

    Done with RedSnow 0.9.4

  100. Nabeel

    did you get it solved?

  101. Nabeel

    you’re welcome!

  102. Nabeel

    were you able to solve the issue?

  103. Nabeel

    hopefully your iPhone is unlocked by now?

  104. Nabeel

    is your iPhone jailbroken by now?

  105. Nabeel

    still not jailbroken?

  106. Nabeel

    avez-vous le faire réparer???

  107. Nabeel

    is it still unsolved?

  108. Nabeel

    is it still unsolved????

  109. Ayushi

    Thankyou so much 4 d article! It really helped! I’m so glad it did,i had this problem since the morning.! o.O

  110. Nabeel

    glad to know that it got solved for you!

  111. Dr. Nabeel

    Glad to know that you’re no more getting “unable to recognize specified ipsw” file error John

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