How to wipe phone and keep jailbreak

[Cap41]

I would like to sell my 2.2.1 jalbroken phone. I would like to keep the phone jailbroken, and wipe all the personal info. Is there a way to do it?

[bytethese]

I would like to sell my 2.2.1 jalbroken phone. I would like to keep the phone jailbroken, and wipe all the personal info. Is there a way to do it?

Not really. Best way is still to Erase All Content and Settings and just restore a jailbroken 3.0 firmware with Pwnage Tool. :)