so i've just come across this german friend of mine that said he had downgraded his counsin's phone back to 1.0.2 and then also downgraded the baseband, so he can use all its functions again.
so i'll try to translate it for you guys so you can try it out too and report results.
first you restore your phone back to 1.0.2 and jailbreak it.
with apptap then install the installer.app, community-sources (?), bsd subsystem and openSSH
now download old baseband firmware here
http://**********.com/files/55991876...mware.zip.html
with SFTP oder SCP copy the three files into the directory /usr/bin
open Terminal and establish a SSH-Connection to your iPhone
enter the following in Terminal
cd /usr/bin
chmod +x bbupdater
launchctl unload /System/Library/LaunchDaemons/com.apple.CommCenter.plist
bbupdater -f 314.fls -e 314.eep
launchctl load /System/Library/LaunchDaemons/com.apple.CommCenter.plist
restart your iPhone
now check if your baseband is downgraded by going to settings -> general ->modem firmware, here it should say 03.14.08_G
now unlock your phone with anysim or terminal or whatever.
please some of you who got 1.1.1 phones try this out

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