Reseting a jailbroken iPhone

[Scottland]

Hi,

I've just picked up a 2nd hand iPhone(2G) from a friend to give to my GF. I want to reset it; erase all contacts, apps, settings etc back to default.

If I use 'Reset All Settings' will this do it safely? I'm concerned about it reverting to pre-jailbroken status.


Thanks

 

[Scottland]

Managed it in the end, did a full erase, updated to 2.2 then used QuickPwn.