How to Downgrade Your Baseband Using KiPhone

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Posted July 15, 2008 at 2:12am by iClarified

These are instructions on how to downgrade your iPhone's Baseband using KiPhone. This software is a patched version of ZiPhone released by kIREmk. It has not been found to cause the issues some have experienced with ZiPhone.

To follow this tutorial you must have 1.1.4 firmware installed on your iPhone. If you accidentally downgraded to 2.0 then use this tutorial to downgrade to 1.1.4.

Step One
Download KiPhone from here to your desktop: Mac, Windows

Step Two
Double click the downloaded zip file to extract its contents.

How to Downgrade Your Baseband Using KiPhone

Step Three
Double click the extracted file (ZiPhoneOSX patched by kIREmK 04.05.04_G [En]) to launch the application.

Step Four
Once the application has launched make sure the BL 3.9 & 4.6 tab is selected. Also make sure the Baseband downgrading checkbox is selected.

Connect your iPhone to the computer and click the Start button. ZiPhone will put your iPhone into recovery mode and you will be informed that the process will take 2 mins and 30 seconds.

Windows:
If you are a windows user then simply check off Downgrade Baseband and Debug Boot and click the Start button.

Step Five
Once the process is complete you will be informed that it completed successfully. You now have downgraded your Baseband to 04.04.05_G!

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Elania - March 15, 2012 at 3:28pm

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lipsinkinghaircut - July 2, 2011 at 1:07am

This is all I see: "Loading zibri.dat. i386 Searching for iPhone... USBMuxListenerCreate: No such file or directory" for iPhone 3g.

Farzan - April 27, 2009 at 5:29am

hi. i am farzan jalali from iran. i update iphone 3g frmware to 2.2.1 . now change baseband to 2.30 and no sim alert. plz help me. tnx

Gloria - May 15, 2009 at 11:06am

pero te ayudo si no dejas correo electronico para comunicarnos Gloria

Gloria - May 15, 2009 at 11:17am

mi correo gloria_maria73@hotmail.com para ayudar Gloria

eduardo - December 30, 2009 at 7:32am

arreglar

Gynejt B - April 24, 2009 at 9:51am

Hi There ! I have update the version 3.0 Os ( newest iphone os ) but that bring me a problem with baseband , so i want to ask how can i downgrade 04.05.04_g to 02.30 ?? please answer me , Bye.

dovanthien - November 19, 2014 at 10:05am

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d(HouseR)b - April 16, 2009 at 10:59pm

Hey guys, please clarify me this...this tool allows you to downgrade 2g firmwares or 3g also? Because y tried everything on my 3G iphone and it gets stuck in "Entering Recovery Mode"...i already tried and got bricked...only thing was to restore the custom ipsw but still with the 2.2.1 baseband...i got into the iphone.forums.de site but i can't read german :-(

sunny - April 1, 2009 at 1:58pm

can i downgrade baseband 2.30.03 to 2.28.00. im on orange uk using 16GB iphone 3g!

ai - February 15, 2009 at 12:26am

if your iphone is tuned into an ipod touch, if u have no signals and itunes is rejecting your phone and if any of unlocking programmes like iliberty is not helping, u will ind your peace with this little zip file. no matter how u did it, if ur baseband is changed to 04.05.04_g and u want to downgrade it, this works and this is the simplest way that works also. after u download the file, rght click on it and click on extract to****filename****. than click on the 'ziphone patched by kiremik' file with orange logo. if u tray to run the ile in winzip without extracting, it will not work properly.

pepz - November 14, 2008 at 3:48am

kIREmK please help i just cant run the ZiPhoneOSX patched by kIREmK 04.05.04_G [En] what should i do???

pepz - November 14, 2008 at 3:45am

well , same F problem, i just follow this tutorial but when im tryin to open the ZiPhoneOSX patched by kIREmK 04.05.04_G [En] it crashes and the stupid system tell me the application quits, its F 2.44 in the morning and im tired of this problem , is there any other place to download this patch or what can i do, i need my F phone back!!!! please help!!! email pepe@4tercios.com

v - October 15, 2008 at 9:10pm

ok ive done everything. no lie. i accidently upgraded my itunes to 8 and my iphone to 2.0 . ive restored with winpwn and pwnage. and then i used ibrikr and nothing worked so i downgraded to 1.1.4 and got iliberty and ziphone. all of them unlock and jailbreak my phone and add apps which is awesome. but i get no signal no lie. ive gone on google and youtube and it says to download kiphone. i have downloaded kiphone for both mac and windows. i have a windows. and nothing works! kiphone always gives me a damn error message. i cannt downgrade my baseband! i dunno wtf is wrong with this ive restored my phone like a thousand times and unlocked it. ive been here for days and days and no1 knows what to do. i had it working last night but i realized the wrong sim was in and when i pulled it out the phone stopped working. i dunno wtf is wrong with this kiphone but i am getting no signal and have no idea what to do anymore!!! someone please email me at vanessa_dubon@yahoo.com.

cualquiera - September 4, 2008 at 11:09am

I have the same problem as Contactmypics. Please help.

d0m1n1c - August 17, 2008 at 9:17pm

I just want to thank the people who posted this thread with the file. I am from Manila, Philippines and i'm just one of those silly guys excited to upgrade my 2G iphone to version 2.0 and wala.. i got BRICKED. I've tried everything.. unlocking jailbraking and activating my iphone with every software i know.. but yes.. the IPOD features works but it has NO SIGNAL, therefore no SMS or Calls were sent in and out of my phone. I'm desperate of finding solutions in the internet, almost gave up.. until i've found this! IT"S BACK TO NORMAL AGAIN! THANK YOUUUU>> SALAMAT PO!

Me - August 4, 2008 at 8:10pm

I'm running an iPhone 1.1.4 which was downgraded from a iPhone 2.0. Since the baseband didn't get downgraded in the process, I used KIPhone to downgrade my baseband from 04.05.04_G to 04.04.05_G. It did downgrade, but downgraded all the way to 04.03.13_G?? Any idea why or how? From here what is the best way to upgrade to 04.04.05_G? Thanks.

Carolina - July 30, 2008 at 6:04pm

Windows vrsion is so different! it crashed and my phone only has the apple logo in it :-(

matt paradise - July 26, 2008 at 1:07pm

if there was such thing as god, you would be him, thankyou for saving my iphones life as i had almost given up on it. thankyou thankyou thankyou!!!!

InTeL - July 21, 2008 at 12:40pm

Doesn't work mang... it's sitting on "Entering Recovery Mode" for last 15mins... oh well

kIREmK - July 21, 2008 at 11:32am

Hi, i have seen it yet that iClarified release a "How to" of my little toy.... @ Zibri: i don't want to make it my own tool, i wanted that the people can see that is YOUR tool that i have patched :D Sry if i had insulted you ... that wasn't my idea to do this.... KiPhone (patched ZiPhone) isn't working perfect i know.... but for 80 % of the peope how downloaded it, it works good. And by the way .... iDemocrazy3 is the same script how it ZiPhone 3.0 it is .... sry for my bad english...

Troy - July 20, 2008 at 1:37am

I'm using the windows version and get to the GUI. I check off downgrade baseband and debug boot. When I click START the GUI disappears and nothing happens. Is anyone else experiencing this ? I really need my baseband restored badly. Thanks

Hausi - July 17, 2008 at 2:37am

Thanks so much - after hours of trial and error: it works! The funny thing is, that KiPhone crashed always - so i tried it on my desktop, iMac, and so it worked.

waylor - July 16, 2008 at 2:47pm

oh my good it works i tried with bootneuter and everything and it doesn't worked but with this it works yeah thanxxxx....!!!

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