How-to Update iPhone to 3.0 Firmware

First way

1. Run iTunes 8.2 then connect your iPhone 3G to your computer using iPhone’s USB Cable.
2. In Device lists, select your iPhone
3. Click “Check for Update” button in Summary pane
4. Click “Download and Install“. Do not disconnect your iPhone until the update has finished.

If iTunes automatically detect new update for your iPhone, you don’t need to do those steps.

Second way

If you have slow Internet connection or you need to install the firmware offline, you can following these steps below:

1. Download iPhone 3.0 Firmware (click to download) Direct Firmware Link – Download Manager supported.

2. Run iTunes 8.2 then connect your iPhone 3G to your computer using iPhone’s USB Cable.
3. In Device lists, select your iPhone.
4. Click “Restore” button.
5. Select the iPhone 3.0 Firmware you have downloaded in step 1. Rename the file name from to iPhone1_2_3.0_7A341_Restore.ipsw (if needed).
6. Do not disconnect your iPhone until the update has finished.

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  1. Anil Daryanani
    September 17, 2009 at 03:57 #


    I must be doing something wrong. I dont get the restore button after selecting the iPhone in the Devices List. The Right Pane has the message "the sim card inserted in this iphone does not appear to be supported"

    Please help

    • Ryan Isra
      September 17, 2009 at 10:21 #

      You need to restore in DFU mode. Please read more tutorial from my blog.

  2. mroshdy
    September 26, 2009 at 19:34 #

    Thank you for your useful article, but when I tried to restore the iPhone firmware by the second way using iTunes v9.0 I faced an error message says:

    “The iPhone could not be restored. An unknown error occured (1015)”.

    I uninstalled iTunes 9.0, installed iTunes 8.2 and restored the firmware with the second way again and I faced the same error.

    I use:
    Windows Vista 32 bit
    iPhone 3G 8 GB came from Canada and I used it in other country.

    Thank you for your help…

    • Ryan Isra
      September 27, 2009 at 03:07 #

      Restore your iPhone in DFU mode, then use redsn0w to jailbreak your iPhone.
      To downgrade iTunes, you need to uninstall it completely also in registry entries.

  3. Midoo
    March 18, 2010 at 05:55 #

    I updated my iphone 3G 8Gb with the latest software because it was updated but no network is working. i did restore and update. it links to the web server and takes about 1 hour to download the restore and firmware setup. the issue is that i put the sim but it shows that is lock "Only compatible SIM cards from a supported Carrier may be used to activate iPhone.

    Please insert the SIM card that came with your iPhone or visit supported Carrier’s store

    to receive a replacement SIM card." i downloaded the Redsnow and the 2_3.0_7A341_Restore.ipsw and did browse but it tells me that "unable to recognize specified IPSW.

    Kindly advice and send the solution to may email. becuase i posted a comment but didn't get to the reply.

    • Ryan Isra
      March 20, 2010 at 09:41 #

      Hi, I can't say much but the newest firmware which is 3.1.3 version.

  4. Swam
    March 24, 2010 at 01:52 #

    Hi,thanks for ur timely reply,but I cant check the settings on my iphone to know th Firmware version bcos its only showing me a screen dat says dat I should insert a Sim card to activate it(although I inserted dis code to check *3001#12345#* but notin happend).What will happen to my iphone if i use 3.0 firmware to jailbreak it and thats not the firmware on the iphone???


    PLS REPLY!!!

  5. Al
    April 6, 2010 at 13:28 #


    I'm having the same problem with the redsnow which says "unable to recognize specified IPSW".when I jailbreake it,it says "iTunes has detected an iphone in recovery mode,you must restore this iphone before it can be used."I've downloaded iPhone1,1_3.1.3_7E18_Restore.and when I shift+Click on the "Restore" button the first message shows up agian : " The sim card inserted in this iPhone does not appear to be supported".

    it's kinnda complicated!! looks like a deadlock!!

    so please help!!!

  6. Raiiven
    April 23, 2010 at 00:46 #


    with ur issue… to check the firmware.. i understand that when u look at ur device in itunes it says the sim card is not supported or wateva

    what u can do is… un plug ur iphone, plug it back in.. and when itunes tries to load it… at the top of the itunes window, itll say connecting to itunes store or soemthing… just click on the (x) on the right hand side =] that shud stop it from registering ur sim… now u can check the version =]

  7. nadia
    May 3, 2010 at 11:54 #

    hi, i have tried tens of times to downgrade to 3.1.2 from 3.1.3 on my iphone 3gs, but i keep getting this emergency calls only screen.i'm loosing my mind.

    is there any way i can restore my iphone to the backup i made before updating the firmware.

    any help will be appreciated, i've watched a handful of youtube videos,read posts but i don't see what i'm doing wrong.

    please help.

  8. srikanth
    May 12, 2010 at 19:39 #


    I have update to the latest version using itunes, the iphone just has a picture of the USB pointing to an iTunes icon. When i unlock it, it says emergency calls only.

    The only stupid thing i did was uninstall my itunes and installed a new version, now when i connect my iphone to the newly installed verion of itunes it give me this error "SIM is not ……..".

    So i tried to do a restore, but my newly installed itunes does not show my device in the list.

    Please help me here.

    Thanks heaps in advance.

    Let me know

  9. bianca
    August 16, 2010 at 20:08 #


    I bought an Iphone 4 from America (using eBay).

    I live in Romania and I want

    this phone to work with Vodafone.

    I bought a micro sim card and

    they said all will be fine and it will work.

    I connected the phone to Itunes and

    I get this error message :

    ''Ony compatible sim card from a

    supported carrier….BLAH BLAH BLAH…

    what should I do?

  10. bianca
    August 16, 2010 at 20:52 #

    the seller said it is unlocked.

    and when I turn the phone on

    ,it says ''No Service'' in the left corner.

  11. Ryan Isra
    August 16, 2010 at 20:58 #

    Is it stuck on emergency call and connect to iTunes screen?

    Do you have cydia app installed on your iPhone?

  12. bianca
    August 16, 2010 at 21:05 #

    ryan, I want to open my phone.

    how I said, it is an Iphone 4.

    let's say it is unlocked…

    I can't update it with Itunes 8.2.

    I can't update it with Itunes 9.2 because I get a network error message.

    What should I do?

    in Romania we don't have phonebook micro sims…

    what if I jailbreak it directly with redsn0w?

  13. bianca
    August 16, 2010 at 21:16 #

    yes, it is.

    no, I don't.

    I just got the phone.

  14. Ryan Isra
    August 16, 2010 at 21:47 #

    So, there was misunderstanding between you and seller.

    He might claimed it as unlockable, but not yet unlocked, because your iPhone still stuck at Emergency call screen. No, you can't do anything with it unless you activate it using AT&T micro sim card, or phonebook card.

    You can jailbreak directly with redsn0w as long as it supports iPhone 4, but unfortunately, redsn0w doesn't jailbreak iPhone 4/ iOS4.

  15. bianca
    August 16, 2010 at 22:17 #

    do you know a way to open it?

    I want to use my vodafone micro sim card, not an at&t or phonebook sim card.

  16. Ryan Isra
    August 16, 2010 at 22:22 #

    Either phonebook card or at&t micro sim card is used only to activate your iPhone4. There is no way to activate it, unless new jailbreak tool released (with hacktivation support).

    Once you've activated it, you can jailbreak iPhone4 using jailbreakme and unlock it to use any micro-sim card (include vodafone).

  17. bianca
    August 17, 2010 at 20:41 #

    will this work with my iphone 4?

  18. lynn
    September 3, 2010 at 14:21 #

    I was trying to jailbreak my iphone and i thought i had backedd everything up but i guess it wasnt sucessful and now i only a plug with itunes on the screen please help me get it back normal

  19. sabiil
    November 13, 2011 at 01:09 #

    Men thanks for all you advice

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