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.

Will Not

This tool will not work with BL 5.9 or the newly reported 6.0.2.

Credits

Exploit: Geohot and iPhone Dev Team
Patch Implementation: Geohot
Bash Script: EvilPenguin|

DownBB

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

How To

To run DownBB, you must first put my *temp* repo in cydia sources: http://evilpenguin.apple2all.com.br

          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://evilpenguin.apple2all.com.br/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