Fuzzyband has been updated to include downgrading support from the iPhone OS 3.1.3 baseband (05.12.01) for 05.08 bootloader users (early iPhone 3G).
You can find Fuzzyband in the System section of Cydia. Instructions on how to perform the downgrade can be found here.
Using this utility early iPhone 3G users can downgrade their baseband to an unlockable version allowing them run OS 3.1.3 unlocked even if they accidentally upgraded.
You can find Fuzzyband in the System section of Cydia. Instructions on how to perform the downgrade can be found here.
Using this utility early iPhone 3G users can downgrade their baseband to an unlockable version allowing them run OS 3.1.3 unlocked even if they accidentally upgraded.