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How to Downgrade Your Baseband Using KiPhone
Tuesday, 15th July 2008, 02:07 am
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.

Watch the Video!
For your convenience this tutorial is available in video format also. Click the Watch It button to view the tutorial!









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

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


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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45 comments [add] | 112459 views | Hide Entry
[ 2 replies ]
Farzan wrote at 2009-04-27 05:29:19
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

[ 0 replies ]
Gynejt B wrote at 2009-04-24 09:51:46
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.

[ 0 replies ]
d(HouseR)b wrote at 2009-04-16 22:59:44
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 :-(

[ 0 replies ]
sunny wrote at 2009-04-01 13:58:25
can i downgrade baseband 2.30.03 to 2.28.00. im on orange uk using 16GB iphone 3g!

[ 0 replies ]
ai wrote at 2009-02-15 00:26:18
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.

[ 0 replies ]
Ritesh wrote at 2008-12-16 01:05:06
n

[ 0 replies ]
pepz wrote at 2008-11-14 03:48:50
kIREmK please help i just cant run the ZiPhoneOSX patched by kIREmK 04.05.04_G [En] what should i do???

[ 0 replies ]
pepz wrote at 2008-11-14 03:45:45
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

[ 0 replies ]
v wrote at 2008-10-15 21:10:02
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.

[ 0 replies ]
www.Way2Franchise.com wrote at 2008-09-13 09:22:46
THis was just too good thanks a ton www.Way2Franchise.com