PS_Unban to version 0.2 for PS3 Firmware 3.55, 4.21 and 4.30.
Download: PS_Unban v0.2 for 3.55 CFW
/ PS_Unban v0.2 for 4.21 CFW
/ PS_Unban v0.2 for 4.30 CFW
Currently it is getting mixed results with different PS3 Custom Firmware (CFW) versions, including a working confirmation from StanSmith and a non-working report from MiNDTH3G4P.
Feel free to give them a try and post your results (with the PS3 Firmware and version details you are using) in our ongoing thread.
[PS_Unban v0.2 UnBan PKG for PS3 3.55, 4.21 and 4.30 Released]