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 :
http://www.youtube.com/watch?v=T1O5mFfI-Z8
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faetter24 1 month ago
does it work on 3gs 4.2.1 6.115bb??
candy1790 2 months ago
can i downgrade a 04.11.08 baseband with this application?
aping3793 3 months ago
Brother
Can u help me to upgrade my cracked iphone 3G with version 3.1.3 with base band 05.12.01 to version 4.1.0.
ekasalam 3 months ago