jailbreaking phone and keeping app data?

[dread]

Is there a way to jb my phone and keep the app data. Also if I want to update after a jailbreak and then jailbreak again is there a way to get the app data back on. I wish apple would come up with another way to backup app data. I have a 3gs on 3.1 and am using vista.

 

[dread]

no one knows? What if I restore from backup after the jailbreak. What happens?

 

[mavis]

Wirelessly posted (iPhone 3GS (White, 32GB): Mozilla/5.0 (iPhone; U; CPU iPhone OS 3_1 like Mac OS X; en-us) AppleWebKit/528.18 (KHTML, like Gecko) Version/4.0 Mobile/7C144 Safari/528.16)

You can simply restore in iTunes to get app data back or use SSH to manually replace/insert app data for certain apps. Very simple.

 

[dread]

so I do the entire jailbreak process and then restore from backup after the jailbreak is complete. What about if I want to go back to no jailbreak can I restore the phone and then restore it again from jailbroken phone's back up.

 

[darngooddesign]

Currently there is no 3.1 3GS JB.

 

[bytethese]

so I do the entire jailbreak process and then restore from backup after the jailbreak is complete. What about if I want to go back to no jailbreak can I restore the phone and then restore it again from jailbroken phone's back up.

Yes.

However there's one huge caveat, you cannot jailbreak 3.1 on a 3GS yet. You can't downgrade the firmware either unless you previously saved your iBES and iBCC files or cached your ECID in Cydia.

 

[dread]

Im aware there is no 3gs jailbreak yet, I'm just getting ready for it. I wan't to jailbreak but don't want to lose all my app data. I jailbroke my 2g but never restored it from backup so I just wanted to make sure that I wasn't going to brick my phone.
Thanks guys