[xISY]

I need to find out my iPhone's firmware so I can restore. But, the thing is, I can't find out what my firmware is because all my icons have disappeared(which is why I'm trying to restore).

Is there any other way to find out my firmware version? Thanks!

[Poseidon79]

Just plug into iTunes... hit restore. This will bring you up to firmware 2.2 if you're not already.

[xISY]

I bought my phone 3G unlocked. If I update my firmware wouldn't my iPhone get re-locked?

[Poseidon79]

If it's factory unlocked then nothing you can do will re-lock it. If it's unlocked with a proxySIM, then I would suggest downloading a pre-built 2.2 custom firmware with the unlock and jailbreak built in.