How to Jailbreak Your iPhone Without Updating the Baseband (Mac) [5.0.1]

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Posted December 22, 2011 at 12:52am by iClarified

These are instructions on how to jailbreak your iPhone 3GS or iPhone 4 on iOS 5.0.1 without updating the baseband using RedSn0w for Mac. You may want to do this to preserve an unlock from a lower baseband version.

Please note this jailbreak is tethered for every device but the old bootrom iPhone 3GS which means you will need to connect your device to the computer each time you reboot. Also, it may be prudent to save your SHSH Blobs by following this tutorial before continuing if you haven't already.

If you want to jailbreak a lower firmware version you can find the appropriate tutorial here.

Step One
Create a folder on your desktop called Pwnage

Download RedSn0w 0.9.9b9d or higher from here and place it in the Pwnage folder. Likewise, download the 5.0.1 firmware from here and place it in the Pwnage folder.

Extract the RedSn0w zip file by double clicking it.

How to Jailbreak Your iPhone Without Updating the Baseband (Mac) [5.0.1]

Step Two
Launch the redsn0w application from the redsn0w folder we just extracted.

Step Three
Click to select Extras from the main menu.

Step Four
Click to select Custom IPSW from the Extras menu.

Step Five
Navigate to the Pwnage folder on your desktop and select the IPSW we downloaded then click Open.

If you are using the iPhone 3GS you may be asked to identify whether you are on a newer or older model.

Step Six
RedSn0w will now begin building a custom IPSW for you.

Step Seven
You'll be notified once RedSn0w has completed building your IPSW. Click the OK button.

Step Eight
Click the Pwned DFU button from the Extras menu.

Step Nine
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
RedSn0w will run the LimeRa1n exploit.

Step Twelve
You'll then be notified that your iPhone is in Pwned DFU mode.

Step Thirteen
Launch iTunes by clicking its icon in your dock.

Step Fourteen
Select your device from the list on the left then under the Summary tab hold down the Option key and click the Restore button.

Step Fifteen
You will then be asked to select your IPSW for restore. Navigate to the Pwnage folder on your desktop and select the IPSW that begins with NO_BB then click the Open button.

Step Sixteen
iTunes will now restore and jailbreak your device using the Custom IPSW.

JAILBREAK AND INSTALL CYDIA
Follow these instructions to jailbreak your device on the new iOS 5.0.1 firmware.
- iPhone 4
- iPhone 3GS

BOOT TETHERED
Once you have jailbroken you will need to rerun redsn0w to boot tethered.

Step One
From the main RedSn0w menu click the Extras button.

Step Two
Select Just boot from the Extras menu to just boot tethered.

UNLOCK:
If you have a supported baseband you can now install UltraSn0w to unlock your device. Instructions are here.

*As usual a big thanks to the iPhone Dev-Team and Geohot for their hard work and contribution to the iPhone community.

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Juiceky - January 25, 2012 at 10:55pm

I'm getting a corrupt file warning from iTunes 10.5.3 after I go thru the customizing IPSW process in redsn0w. It doesn't seem to like the NO_BB version. Any thoughts? Downgrade to 10.5.1? I'm JB and Using 5.0.1 for the new IPSW I have 4.3.5 and 4.10.01 on Gevey untethered unlock. I am redownloading the restore file and re customizing it in Redsn0w. Will comment back if it changes but any advice would be great.

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juiceky - January 27, 2012 at 12:49am

all good. Re downloaded and customized IPSW via Redsn0w worked with this method exactly as published above. Note: install furiousmod and orona before restarting per applenberry instructions Thanks to all involved at devteam and iclarified for the great work!

juiceky - January 27, 2012 at 12:56am

sorry: Install furiousmod and Corona (in that order) before following gevey restart tips. The reboot required for Corona allowed the furiousmod to get Gevey going *this assumes you have the sim and gevey sim inserted prior to beginning the whole thing. I have tmobile $30 unlimited data plan & text with 100 min talk time (Wal-mart) Not sure if iphone allows 3g but still, unlocked 5.0.1 with 4.10.01 baseband on EDGE working great

mambous - January 16, 2012 at 9:00pm

I continuously receive this message, when trying to restore from custom file. The iPhone "iPhone" cannot be restored at this time because the iPhone software update server could not be contacted or is temporarily unavailable

thiago bonfim - January 3, 2012 at 8:38pm

Please help, I've done all the steps and it's everything ok! EXCEPT that I cannot RESTORE FROM BACKUP! this option just disappeared from ITUNES! I don't know how to solve this! PLZ anyone help?

aragos - January 3, 2012 at 2:58pm

I'm trying to upgrade a (already jailbroken) iPhone4 with this method. Getting into DFU mode is no problem but at Step Fourteen in the instructions the device doesn't appear in iTunes (10.5.2) - it just doesn't get listed. When running normally the phone shows up in iTunes. Any ideas how this could happen and what I can do about it?

polval - December 28, 2011 at 5:16am

i have an iPhone 4 ios5.0 baseband 1.59 unlocked. i followed the instruction including custom ipsw and everything goes well until it finishes jailbreaking and won't activate my phone. says SIM not valid. pls help

prayag - February 15, 2012 at 9:00pm

I am facing the same problem I am in India on Vodafone & Do not have my original AT&T Card with me Its stuck om the activation sreen pls help

prayag - February 15, 2012 at 9:03pm

Just figured out the solution You need to run redsnow again & run the jailbreak option (the custom ipsw part only gets the software on board and doesnt jailbreak) Steps to follow: From the first screen on redsnow select jailbreak Once you are finished with the jailbreak process, you will move past the activatin screen automatically

crovo - December 27, 2011 at 8:55pm

i got an iPhone 4, iOS 4.3.2, bb 3.10.01. i'm trying to restore to fw 5.0 following this steps, but it keep saying that the device isn't eligible. i already uncheck the TinyUmbrella option for setting the hosts to Cydia. and i got the last version of iTunes. what should i do now? thanks.

crovo - December 27, 2011 at 9:31pm

i just found out that i should use fw 5.0.1... now it's working.

Mark - December 22, 2011 at 6:45am

am using iPhone 4 bb 4.10.1 using gevey sim. I followed the steps and installed it perfectly till on the welcome screen. Its say "No Service". Im stuck on activating the sim. Can somebody help me?

thiago bonfim - January 3, 2012 at 8:33pm

Hello Mark I think I can help you! Try to do the same as before! try this: when you insert your sim card with GEVEY, wait until the button ACCEPT appear! Just click ACCEPT! Then, don't wait the signal bar, it just DOENS'T APPEAR! So, call 112 then TURN ON air plane mode wait until appear that message and turn off air plane mode... and the ''miracle'' will appear!

nir-hus - December 22, 2011 at 2:34am

Forgot to add my baseband is 01.59.00 on iPhone 4, a jailbreaked iOS4.3.3 upgraded to iOS 5.0.1 using RedSn0w on a Mac OSX. Upgrade went without a hitch. Thank you...

bored - December 27, 2011 at 3:04pm

I have an Iphone4 with the same baseband as yours..I have been getting error 3014? I couldn't get it working...what did you do different? Thanks

nir-hus - December 22, 2011 at 2:27am

Works great, thank you. I upgraded my iPhone4 to iOS 5.0.1 and preserved my unlock baseband, done on a Mac, http://www.nirhus.com

Pawan Kumar Bishnoi - December 18, 2011 at 8:32am

I'm stuck at the itunes screen: iphone 3GS, 4.2.1, 6.15 Unlocked Jailbroken I followed the steps given in the guide.. started TSS server in tiny umbrella as apple is not signing iOS 5.0 anymore.. it passed the apple verification stage but during its restore via itunes.. it gives an error 1604 - it cant be restored .. unknown error.. guide me how to get rid of this error.

Pawan Kumar Bishnoi - December 18, 2011 at 9:15am

I restarted the machine and tried the same proces.. i am getting another error now.. iphone could not be restored.. unknown error (11) this ones even have any details online as to what's the exact problem behind this..

Utah Biorin - December 11, 2011 at 11:51am

3gs. I fallowed the steps perfectly. run redsnow made the NO_BB. not as much luck as "MrTopas". I go to itunes to (option click) choose the NO_BB but itunes says "device isn't eligible for build". any guess? ...I'm trying to update from 4.2.1 with TU. ive gotten it to work on 4.2.1 but I want to update to 5.0 or 5.0.1 or at least back to 4.3.5 like it was working fine (no unlock no jb) before i stupidly clicked update on itunes, then it said "invalid sim" bla. one thing, i don not have the shsh in TU for 5.0 just 5.0.1 and 4.1 which is weird cause i can get it to boot to 4.2.1 like I said above. any help/advice? been looking online for 2 weeks now!! -Thanks!!

UTAH - December 16, 2011 at 11:18am

First i should say Thank you for your time!!! My contract is up and I had been using my 3gs 4.3.5 as an iTouch with basic functionality, camera, notes, games and safari wifi. My phone was never jb or unlocked before! The whole reason Im in this mess is because I (stupidly) clicked update iphone in itunes on dec 1st (from a fully functional 4.3.5 to get the new 5.0.1) and my itunes said "Sim not supported" (yes it was the latest iTunes version). So I have gone through all the steps to jb and unlock with redsn0w and tu, when I never desired any of this!! My phone 3gs 05.16.05bb, I had it working running 4.2.1, with redsn0w9.9b8 jb, (if this helps Tiny Umbrella 4.1 shsh and 5.0.1shsh). It was working fine as an iTouch/wifi device, though I never "set up as new phone" in iTunes inorder to avoid losing all my 4.3.5 back ups (because I want to one day get back to where I was before the dark dark day of dec 1st). I turned it off, like i had before and went to "just boot" and i get a white screen. Issue at hand in redsn0w i point to the 4.2.1 ipsw, select just boot, put into DFU, redsn0w says its done, but all I get is a white screen. I would just jb it again but I spent some time getting contacts and apps back on it, and if i cant get the latest ios then I'd rather keep what Ive done in 4.2.1 I have tried many many times with redsn0w (even trying different versions like 9.9b5) running with TU and without, with itunes running and without, restart computer, remove usb devices. Ideally I'd like to have 5.01 unlocked. But I would gladly settle for 4.2.1 working like I had it for a few days. Though I dont want ipad bb because i dont want to lose my gps (forever?). I'm an artist that uses Square Up from time to time, and the location-receipt is very important to weary credit-card-on-a-phone customers. Im not a hacker but I'd like to think Im not a complete noob ether. I've been searching and researching for the last 15 days straight, hoping for a solution. Side note: my time machine backups are not available as i only keep the last back up (small HD), which unfortunately is from last week the 10th. Thanks to all who read this. A many many thanks to any helpful reply. Thank you! Thank you! -BIORIN

rs6er - December 18, 2011 at 12:53pm

If you can't find help here, try modmyi.com.

BIORIN - December 19, 2011 at 4:16pm

you have to let the batt drain or unplug the logic board (which I did) and start over. works now. i have posted here somewhere bout my experience. THANK YOU!!

Annomos - December 11, 2011 at 7:42am

got an iphone 4, ios5, bb 4.11.08 Can this be jailbreaked?

rs6er - December 18, 2011 at 12:55pm

Yes. You should be able to. Read the problems and solutions here first. Also helpful is forum on modmyi.com

AK is cold - December 7, 2011 at 5:33am

Is it possible to upgrade a 3GS to 5.0 from 4.3.3? I have my blobs saved but I'm guessing it doesn't matter with 5.0. Should have done this while 5.0 was being signed by Apple. I thought saving them w/ TU would give me the option to upgrade at a later time.

Adriano Martins - November 27, 2011 at 10:59am

Hey, I have my iPhone 4 GSM on 4.3.5 and 04.10.01 with Gevey. I want to upgrade to 5.0 (without jailbreak) but I can't do it like in the tutorial. iTunes gives me the "not ilegible" message or anther 1XXX error. I've tried downloading from different sources, using Tinyumbrella, different versions of RedSn0w, updating iTunes from 10.5.0 to 10.5.1... everything but I just can't. Any suggestions?

Adriano Martins - November 27, 2011 at 10:58am

Hey, I have my iPhone 4 GSM on 4.3.5 with Gevey, I want to put it on 5.0 (without jailbreak) but I can't do it like in the tutorial. iTunes gives me the "not ilegible" message or anther 1XXX error. I've tried downloading from different sources, using Tinyumbrella, different versions of RedSn0w, updating iTunes from 10.5.0 to 10.5.1... everything but I just can't. Any suggestions?

bayside - November 10, 2011 at 6:17pm

Just updated my iPhone 4 to iOS 5.0 keeping my 01.59.00. And I only get 1 signal bar w/ this custom firmware. Jailbreak my phone still 1 bar. Unlock it still 1 bar. Restore again w/ custom ispw still only 1 bar!!

Peter Armenti - December 29, 2011 at 4:26am

I have the same problem. Sounds like its pretty common on baseband 1.59.0 - I believe on the last jailbreak this was later solved with an update to ultrasn0w so hopefully we'll just. E waiting for that. Follow MuscleNerd on Twitter.

aa2007 - January 5, 2012 at 10:09am

I have the same issue with Gevey + 2.10.04bb 5.0.1

rs6er - November 5, 2011 at 2:15pm

Just a note: During a recent power outage (4 days) due to a storm, my iPhone 4 completely discharged. When I got some power into it, it went back to the Apple logo and wouldn't go any further. I used the Just Boot mode in Redsn0w after putting it in DFU mode. That brought it back to life. Still jailbroken in IOS 5.0 with the old baseband. Phew! The moral of the story is, once you've followed the iClarified tutorial, don't power your phone completely off.

Eric - November 7, 2011 at 12:08am

Did your signal bar working normal? Or always in one bar?

rs6er - November 7, 2011 at 12:15am

The signal bar worked properly.

Eric - November 5, 2011 at 6:21am

I have follow the instructiOn and get up grade to IOS 5 and jailbreak, but one thing is my signal bar never have any bar or just one bar is showing can anybody tell me how to fix that problem.

rvs007 - October 31, 2011 at 5:06pm

When will the instructions to upgrade to iOS5 while preserving the baseband be available for Windows?

Tara - October 31, 2011 at 5:58pm

you can use sn0wbreeze 2.8 right now on windows. It will do the same. Google for it.

MrTopas - October 28, 2011 at 8:54pm

Guys I've a 3GS with the 05.13.04 modem firmware so I successfully followed every step of this tut and maintained the FW . I need to unlock my iPho but I'm unable to get Cydia app after the upgrade. Suggestions ?? Thanks

rs6er - October 29, 2011 at 2:10pm

Did you use the last few steps in the tutorial?

MrTopas - October 31, 2011 at 9:44am

Sure did! I used the NO_BB redsnow generated IPWS and everything went smoothly . I've the 5 IOS version but no Cydia on it.... I had my iPho jailbreaked&unlocked before (IOS4.0.1)with cydia/ultrasnow, could that be it ????

rs6er - October 31, 2011 at 8:44pm

i thought I posted this this a.m. but it didn't show up. after you do the whole no_bb thing and update to ios 5, you have to go back into Redsn0w and click "jailbreak and install Cydia.". if you did this and still don't have Cydia, I can't help you.

MrTopas - October 31, 2011 at 10:14pm

That's what I've a done... Thanks anyway! Nice UTube videos...

Utah Biorin - December 11, 2011 at 11:15am

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