Downbb

About
DownBB is a tool that allows the user to downgrade the iPhone 3G Baseband from 02.30.03 to 02.28.00 with the Baseband Bootloader 5.8.

Incompatiblities
This tool will not work with any X-Gold 608 devices with Baseband Bootloader 5.9 or later.

Credits
Exploit: Geohot and iPhone Dev Team Patch Implementation: Geohot Bash Script: EvilPenguin| Help: pH and DHowett - Thanks guys..

DownBB
DownBB - by James. (a.k.a. EvilPenguin|).

How To
To run DownBB, you must first put my repo/source in cydia sources: http://nakedproductions.us/source soon to be on bigbosses as well Download "DownBB" Open MobileTerminal type "DownBB"   -without the ""

BootLoader Check
To check your bootloader version, install minicom and run at+xgendata (see Baseband Commands for more info)

Download

 * http://nakedproductions.us/source/DownBB.deb

Install Download
Place the DownBB.deb /var/mobile/ ssh root@XXX.XXX.XXX.XXX su     *password* dpkg -i DownBB.deb Then follow the How To's