Extract the RedSn0w zip file into the same folder.
Step Two Connect your iPhone to the computer and launch iTunes.
Select your iPhone from the list of devices on the left. Now hold down Shift and click the Restore button. Restore is preferred as it won't create any wasted space on your iPhone.
Navigate to the Pwnage folder on your desktop and select the 4.3.3 firmware ipsw. Click the Choose button to continue.
Step Three Once iTunes has finished updating your iPhone to the desired firmware open the Pwnage folder on your desktop and launch the redsn0w application from the redsn0w folder we extracted earlier.
**Windows 7 users may want to try running the redsn0w executable mode as an administrator in Windows Vista compatibility. You can do this by right clicking the executable and selecting Properties from the contextual menu.
Step Four Once RedSn0w opens click the Browse button
Step Five Select the 4.3.3 firmware ipsw we placed in the Pwnage folder on our desktop then click Open.
Step Six Once the firmware has been verified click the Next button to continue.
Step Seven RedSn0w will now prepare the jailbreak data
Step Eight From this window you can select the jailbreak options you would like.
Make sure Cydia is selected and click the Next button to continue.
Step Nine Please plug your iPhone into the computer and make sure its OFF then click the Next button
Step Ten RedSn0w will now guide you through the steps to get into DFU mode. You can find more help with DFU mode here
Hold down both the Home button and the Power button for 10 seconds.
Release the Power button and continue holding the Home button until RedSn0w detects the device.
Step Eleven Your iPhone will now reboot
Step Twelve RedSn0w will then begin uploading the new RAM Disk and Kernel.
Step Thirteen Once this is complete you will be notified that RedSn0w is done. Click the Finish button. When your iPhone finishes rebooting (5 minutes or so) it will be jailbroken with Cydia on the SpringBoard.
*As usual a big thanks to the iPhone Dev-Team and I0n1c for their hard work and contribution to the iPhone community. **Windows 7 users may want to try running the redsn0w executable mode as an administrator in Windows Vista compatibility mode if you experience any trouble.
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At the beginning of the article it says do not update firmware to 4.3.3.
I checked my iphone 4 and I got firmware 4.3.3 already.
My baseband version is 04.10.01
Does it change anything on the procedure?
Some iPhone 4 users have reported that they are facing iTunes Error 3194. This error usually occurs while restoring or updating the jailbroken iPod Touch, iPhone and iPad to the newer firmware.
I downloaded windows 4.3.3 firmware but for some reason there is no iPhone3,1_4.3.3_8J2_Restore.IPSW file like you show in your text or utube explanation. There is a directory with full of files but none of them has the IPSW extention. The restore file is is quicktimepreferences link. So resn0w cannot find the IPSW file because it dosn't exist. Can you tell me how to find the iPhone3,1_4.3.3_8J2_Restore.IPSW file?
Thanks very much for your help
Best
Nina
I got caught out by this too. If you downloaded using Internet Explorer trying downloading again using Firefox or Chrome. IE always seems to screw up the file extensions so it doesn't appear right. I tink there's a workaround if you only have IE but using Firefox is by far the easiest solution.
I want to jailbreak my Iphone4 , firmware 4.1, to the latest 4.3.3. I'ts jailbreaked and full of apps from Cydia. What do i need to do not to loose all my apps with the firmware upgrade? Do i need to upgrade the firmware in iTunes and then Jailbreak it or it doesn't need to update first? Cheers from Portugal :)
Just JB to 4.3.3, I haven't done a JB since 1st gen iphone, so i just have a quick quesstion. Everything is good so far, everything works and what not, but all my data is gone, music, contacts etc, is it safe to restore the data from a backup i have moments before i started the JB? It won't brick my phone will it?
i'm currently on 04.10.01.. can i jailbreak without having to upgrade my baseband? i'm worried i have to unlocked it after upgrade the baseband. anyone can advise?
Even "Carrier Reset fix" do not work to solve the problem. Seems to be an Jailbreak error.
Also tried it with redsnow rc16. Any answers ???
(IPhone 4 BB 04.10.01 / IOS 4.3.3)
Find the answer :
1. reboot in DFU mode
2. after reeboot activate mobile with itunes und wait for network signal
(if you jailbreak with redsnow before activation than the problem with no network occurs)
3. Backup your files from itunes to phone
4. jailbreak
Well tried to jail break with 4.3.2, all went well expect after rebooting the phone is stuck saying
error mounting rootfs - read only, it says giving up after trying for 6000ms. Any one encountered this. I have already tried run as admin / compatibility modes.
Need help from you guys !!!
"Step Two ... hold down Shift and click the Restore button... Navigate to the Pwnage folder on your desktop and select the 4.3.3 firmware ipsw. Click the Choose button to continue."
That would update the BASEBAND, thus leaving the iPhone 4 unlockeable (for those who have an old baseband). How comes this is not mentioned?