User with PS3HaX 0 × 00 released application PS_Unban, which allows unban your PS3 on 4.21 and 3.55 firmware.
PS_Unban application has been updated to version 0.3, fix black screen and added support firmware Rebug and Rogero.
Appendix PS_Unban updated user deneo24, new Console_ID.
1. Set PS_Unban v0.2 (3.55). Pkg, PS_Unban v0.2 (4.21). Pkg or PS_Unban v0.2 (4.30). Pkg according to the firmware on your PS3.
2. Run the application and click PS_Unban (START), if you have a 3.55, the button
, if you have firmware 4.21 or (square), when 4.30
3. This application will change your Console_ID
* and closes automatically
4. If the authorization is an error 8002A231 (bank account), create a new local user account PSN
5. Log in to the PSN