"Erase all contents and settings"

[MoodyM]

If I use the above option on my 3G S, will I have to re-jailbreak and/or re-install Cydia, etc?

 

[bytethese]

If I use the above option on my 3G S, will I have to re-jailbreak and/or re-install Cydia, etc?

Erase All Content and Settings, erases all content and settings. 🙂 There will be nothing on your device.

You'll not only have to rejailbreak, you have to load the firmware too.