If you own a PSP, and a PS3 that’s been banned from the PSN, you can unban your PS3 by spoofing its IDPS with your PSP’s IDPS. To do so, you’ll need:
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anyone tested this yet, don't have any spare psp's to test it with
- Install IDStorage Manager in the PSP/GAME folder of your PSP (note: depending on the version you get, you will need to create a folder “IDStorage” in PSP/GAMES, and put the EBOOT.PBP file in it. also make sure the file is named EBOOT.PBP, and not FBOOT.PBP, rename it if needed)
- Run IDStorage Manager from your PSP
- Run the dump
- Exit the app, and connect your PSP to your computer again, there will be a folder named “keys”, the file you want to open is named 0x0121.bin
- Open 0x0121.bin with an Hex editor, and grab the 16 bytes starting at address 0x60. Those 16 bytes are your PSP’s IDPS
- You can then use this value as the “spoof IDPS” entry on your PS3’s CFW (if it supports it) or any other Spoofer you typically use.
source
anyone tested this yet, don't have any spare psp's to test it with