May 28, 2024
How to Downgrade Your iPhone 3G Baseband Using Fuzzyband

How to Downgrade Your iPhone 3G Baseband Using Fuzzyband

Posted May 24, 2009 at 8:22pm by iClarified
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These are instructions on how to downgrade your baseband to 2.28 for iPhone 3Gs with the 5.8 bootloader using Fuzzyband. This will allow you to unlock your iPhone 3G using YellowSn0w.

Fuzzyband is the preferred application for downgrading your baseband since it does version checking, downgrades all versions of baseband from 2.30.03 to 4.26.08 (3.0 beta5), and it reports the current bootloader version on screen.

Step One
Press to launch Cydia from your SpringBoard.
How to Downgrade Your iPhone 3G Baseband Using Fuzzyband


Step Two
Press to select the Sections tab at the bottom of the screen.
How to Downgrade Your iPhone 3G Baseband Using Fuzzyband

Step Three
Press to select System from the list of sections
How to Downgrade Your iPhone 3G Baseband Using Fuzzyband

Step Four
Press to select 3G Fuzzyband Downgrader from the list of packages
How to Downgrade Your iPhone 3G Baseband Using Fuzzyband

Step Five
Press the Install button at the top right of the screen.
How to Downgrade Your iPhone 3G Baseband Using Fuzzyband

Step Six
Press the Confirm button at the top right of the screen to begin installation.
How to Downgrade Your iPhone 3G Baseband Using Fuzzyband

Step Seven
Once installation has completed successfully press the large Return to Cydia button.
How to Downgrade Your iPhone 3G Baseband Using Fuzzyband

Step Eight
Press the Home button to return to your SpringBoard. Notice there is a new application icon titled Fuzzyband. Press to launch the application.
How to Downgrade Your iPhone 3G Baseband Using Fuzzyband

Step Nine
Immediately upon launching the application you will be shown a message stating that Fuzzyband is querying your modem.
How to Downgrade Your iPhone 3G Baseband Using Fuzzyband

Once it completes you will be displayed your Bootloader Version, your Baseband Version and your iPhone OS version.

If you have a bootloader version higher then 5.08 you will not be able to downgrade your baseband and a Not Supported message will be displayed.
How to Downgrade Your iPhone 3G Baseband Using Fuzzyband

If you have the 5.08 bootloader you will be able to downgrade from baseband 2.30 or higher. Press the Downgrade button to begin downgrading your baseband.
How to Downgrade Your iPhone 3G Baseband Using Fuzzyband

Step Ten
Once the downgrade has completed successfully you will be displayed a Done! message saying, "I Haz Downgrade!" and you will be on the 2.28 baseband.
How to Downgrade Your iPhone 3G Baseband Using Fuzzyband How to Downgrade Your iPhone 3G Baseband Using Fuzzyband


***THANKS: to w1kedZ/DHowett for creating this utility
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Comments (59)
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wiiguy28
wiiguy28 - November 7, 2010 at 2:59pm
can I update my iphone 3g /3.1.2/ 5.11.07 to a later version and still keep my jailbreak and unlock?????please , thank you
Jay
Jay - March 12, 2010 at 7:26pm
Hi, I have a 3g iphone with bootloader 06.2[g2m3s2] and base band ICE2-05.12.01 version 3.1.3 how can i downgrade it?
amyl56
amyl56 - February 11, 2010 at 11:33am
My Cydia doesn't have Fuzzyband what should I do?
kylie
kylie - March 1, 2010 at 9:15am
Go into Cydia>changes>reload Cydia should update and Fuzzyband should be availible
amyl56
amyl56 - March 5, 2010 at 10:54am
Is it nessesary to have wi-fi service in order to access Cydia?
amyl56
amyl56 - March 5, 2010 at 10:56am
When I get to changes it is blank.
Shashi
Shashi - October 1, 2009 at 6:37am
Please let me know if we can degrade the baseband version with bootloader version 05.09 or how do we degrade the bootloader version to 05.08. Please help me !!!!!!!! email - shashi.net@gmail.com
vinod
vinod - December 30, 2009 at 6:37pm
Hi, Can any one tell me my wifi is not working so how do i download fuzzy band and downgrade the baseband. please help.
Ricky Yu
Ricky Yu - February 18, 2010 at 11:23am
You cannot downgrade bootloader. Read http://blog.iphone-dev.org/
Bilal
Bilal - June 14, 2009 at 2:57am
Dev Team is so silent i think they r not intresting to unlock bootloader 05.09 Dev team atlest reply onece.... Love you
Osayi
Osayi - June 14, 2009 at 6:01pm
This is iClarified.com. Dev-Team is at blog.dev-team.org.
mubeen
mubeen - June 10, 2009 at 12:52pm
i jus checkd mine bootloader its 6.02 :-( is there neway i cann downgrade it to 5.08
Osayi
Osayi - June 14, 2009 at 6:07pm
No, not at the moment. You'll have to use a SIM adapter.
Bilal
Bilal - June 14, 2009 at 6:18pm
iphone 3G v 2.2.1 Bootloader 05.09 Baseband 04.26 can i use sim adaptor?
Osayi
Osayi - June 15, 2009 at 3:09am
@Bilal: Yes, you can.
mubeen
mubeen - June 16, 2009 at 4:35pm
i ve tried the sim adaptor but looses its signal after every few hourss:@
Nicolas
Nicolas - March 22, 2010 at 10:48am
what is the best Sim Adaptor to use in this situation? 05.09 bootloader
aru tamhane
aru tamhane - June 8, 2009 at 8:35pm
Thanks for the clarification. It was extremely helpful!
Viren
Viren - June 8, 2009 at 10:24am
Hey! guys!!! Am without cydia on the iphone!!! Pl. help!!! cheers,
Osayi
Osayi - June 14, 2009 at 6:09pm
Jailbreak your phone: https://www.iclarified.com/entries/index.php?caid=2&scid=11&seid=2
Pedro
Pedro - June 6, 2009 at 11:26am
Hi there. my Bootloader Version is 05.08 [G2M3S2] according to the Fuzzyband Downgrader but it says it's not supported because of my Baseband Version. Is there any solution ? Here's the info on the screen: BootLoader Version: 05.08 G2M3S2] Basebadn Version: ICE2-02.28.00 iPhone OS Version: 2.2.1 Thank you for your help.
Osayi
Osayi - June 8, 2009 at 12:15pm
Everything seems to be in order. If your phone is jailbroken, download and Cydia.
pedro
pedro - June 9, 2009 at 5:21am
Hey there, my iphoned is jailbroken, I have Cydia that's how I used the Fuzzyband Downgrader. But it just says it's not possible. I guess it's the Baseband and not the BootLoader. Here is the info again: BootLoader Version: 05.08 G2M3S2] Baseband Version: ICE2-02.28.00 iPhone OS Version: 2.2.1 Thank you for your help.
Pedro
Pedro - June 13, 2009 at 10:59am
Can anyone please help me ? it seems like eveything is correct with my iphone. I dont know why it doesnt works
Osayi
Osayi - June 14, 2009 at 6:13pm
Unlock your iPhone: https://www.iclarified.com/2538/how-to-unlock-the-iphone-3g
batcho
batcho - May 28, 2010 at 1:29pm
i dont know what is wrong with my iphone i connot grt net work when the solution is going to be found
sam
sam - November 10, 2010 at 2:02pm
how i can get bootloder 5.08 to unlock my i phone
Danny
Danny - June 4, 2009 at 7:33am
Come on Dev Team...got the new bootloader 5.9 :-(...please help ....
margarita
margarita - June 5, 2009 at 11:04am
me too!! can we downgrade the bootloader??? HELP!
Osayi
Osayi - June 14, 2009 at 6:27pm
Use a SIM adapter. @Danny: Dev-Team is at blog.dev-team.org. @margarita: No you can't.
ifoneluv
ifoneluv - March 5, 2010 at 8:50am
Osayi (2009-06-14 18:27:01) Use a SIM adapter. @Danny: Dev-Team is at blog.dev-team.org. @margarita: No you can't. WHAT'S THE SIM ADAPTER AND HOW TO GET IT DONE , PLZ HELP !!!
f*ckiphones!
f*ckiphones! - May 20, 2010 at 7:49pm
dev team and geohot has been useless for months! don't expect anything from them.
Antonio Velazquez
Antonio Velazquez - June 2, 2009 at 10:04am
you really are sooooo good keep going in your good work, thank
serenity
serenity - May 31, 2009 at 8:36am
To iClarified Dv Help contact thanking you It is balance Garden but yet, it is not in the solution. I downloaded the BownBB, Fuzzyband file and RUNed pula Gramm. It is sorry but because the bootloader is 5.9 version, the SIM lock can not be canceled. Once again, we request in the help.
serenity
serenity - May 28, 2009 at 1:17pm
To you of the Dev team Thank you for the answer. In bootloader 5.9, will the change be impossible to 5.8? Let me know.
Osayi
Osayi - May 28, 2009 at 4:04pm
It says clearly in the post that "If you have a bootloader version higher then 5.08 you will not be able to downgrade your baseband and a Not Supported message will be displayed." What do you think?
ricardo
ricardo - May 27, 2009 at 9:48pm
SO I DID IT ON MY IPHONE AND IT WORKED I GOT MY IPHONE BACK FROM 2.30.03 TO 2.38.00 , BUT MY QUESTION IS WHEN THE NEW 3.0 FINAL RELEASE COMES OUT AND IF I UPGRADE WILL THIS UTILITY WORK AS WELL AS LONG AS I HAVE THE 5.8 BOOTLOADER? WELL AS LONG AS MY PHONE IS JAILBROKEN.
Osayi
Osayi - May 28, 2009 at 10:14pm
No one can know this until after the official release of firmware 3.0.
john
john - May 31, 2009 at 12:40pm
Hey ricardo, just wanted to know when you upgraded your phone to baseband 2.30 did your wifi stop working or was it ok. because i when i upgraded my wifi stoped working so i wanted to know if yours start working again after you downgraded
serenity
serenity - May 26, 2009 at 1:37pm
Thank you for the help.! However, yet, the problem could not be solved. Again, we request your help. At present, it is " modem version 02.30.03 ", "OS 5G77". Tell the way of changing into modem version 02.28.0. It tried a down grade in the envoy modem version in the Fuzzyband software. However, because the bootloader version was to do 5.9 being, it isn't possible to do a change. Tell the way of changing a bootloader version into 5.8. Or, tell the way of modem version's being able to be changed in the other way. I request your help.
Zongo
Zongo - May 26, 2009 at 5:36pm
Guys, let's face it: The "Dev Teams" of the world seem to be unable to hack anything above bootloader 5.8 or baseband 2.28. Congrats Apple. You won !
Osayi
Osayi - May 28, 2009 at 10:11pm
Use a piggyback SIM.
ptheridophita
ptheridophita - May 26, 2009 at 11:23am
Thanks guys, great job i manage to jail break my iphone 3g 2.2.1 but unfortunately my bootloader is 5.9. I am convince there will be a solution for this, please help. Thanks again.
Osayi
Osayi - June 14, 2009 at 6:17pm
Hopefully. But for now, you'll have to use a SIM adapter.
h t
h t - May 26, 2009 at 10:24am
what i dont understand is that if this app is available thru CYDIA then the iPhone 3g must already be jailbroken to download it. so why wud someone need to downgrade an already jailbroken phone. Does it make any sense?
Osayi
Osayi - May 28, 2009 at 10:18pm
Fuzzyband downgrades firmware 2.2.1's baseband 2.30.03 to firmware 2.2's baseband 2.28.00 so it can be UNLOCKED by yellowsn0w. Make sense now?
Tony
Tony - June 8, 2009 at 7:05am
Hi I've tried to downgrade my phone with Fussyband it turns out I've got 5.9. My question is if I was to down grade the firmware to 2.2 would that give me a down graded baseband? Regards
jhon
jhon - May 26, 2009 at 12:02am
why i dwonload this fuzzyband? can tell me any one?
Osayi
Osayi - May 28, 2009 at 10:56pm
If you have an iPhone 3G (firmware 2.2.1, baseband 2.30.03, bootloader 5.08) and it's locked, but you want it unlocked, you'll need to install Fuzzyband.
sadCody
sadCody - May 25, 2009 at 3:57pm
The Majority got 5.09 bootloader, Where are Dev team? please find way around it!
titu
titu - May 25, 2009 at 12:26am
Sir, we have os 2.2.1and 2.30 bootloder 05.09 please help all iphone user We wait 3month allready see your update 2.2.1&02.30and bootloder 05.09 we miss all and can't dial any where please help
Osayi
Osayi - June 14, 2009 at 6:12pm
Use a SIM adapter.
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