IPhone unlock help -Confused

cabron · #1 10-25-2009 -

Okay.

My wife wanted an Iphone, I went and got it. (used)
I tried looking for an unlocked one but in the process I found an almost immaculate iphone 3g with over a year left of apple icare warranty.
Sounds like a good deal huh?
But it wasnt unlocked.
Now, Im trying to understand this but i dont get it, at least completely.
i am a BB user and have ugraded OS many times and what not, but this thing about unlocking and jailbreaking, an Iphone i am not familiar with.
So this is what I know for now:
Jailbreak = allows me to add any apps, not only "official ones" ????
Version 3.1.2 = the version i have, wich appears to be my doom.
baseband= no clue, but mine I believe is 05/07 (i left the phone at work ....)
Apparently some basebands can be unlocked and some cant, which sucks.
Itunes= A nightmare, it will upgrade your version, screwing your unlock or jailbreak.

So, can someone help me understand whats the order things go and what do I need to do to unlock this iphone?
I need to figure out if I can unlock this version, in windows and if I need to maybe downgrade the version to 3.0 ? Is this possible?

I am with ATT but my wife is with TELCEL (Mexico).

Thanks!

**srl7741** · #2 10-25-2009 -

In order to Unlock the Phone you first need to Jailbreak it. Here is a good site for Tudors to walk you thru each. Choose according to your device and computer platform. Link
When connecting the Phone to iTunes for the first time remember to un-check auto sync. iTunes does not upgrade anything unless you click to do so.

cabron · #3 10-25-2009 -

i dont see any instructions in this link pertaining to the version and baseband i have, but thanks, may come in handy later.

**srl7741** · #4 10-25-2009 -

I'm pretty sure you can and here is another link from the same location as the first.

Link

How to Find the Firmware and BaseBand of your iPhone

Or

Direct Link

**neorabid** · #5 10-26-2009 -

To Jailbreak:
http://blackra1n.com/blackra1n.exe
save that file, connect your iphone to computer, run that program, now your jailbroken.

To Downgrade Baseband
Open blackra1n on your iPhone install cydia, open cydia and search "fuzzyband", download/install fuzzyband, run it and if you are capable of downgrading it will downgrade it for your so that you can use ultrasn0w.

evo1725 · #6 10-26-2009 -

Fuzzyband don't work at all once you upgrade to 3.1.2
Mozilla/5.0 (iPhone; U; CPU iPhone OS 3_1_2 like Mac OS X; en-us) AppleWebKit/528.18 (KHTML, like Gecko) Version/4.0 Mobile/7D11 Safari/528.16

**neorabid** · #7 10-26-2009 -

it will if you have bootloader 5.08, which most people dont.