I'm trying to unlock my iPhone 4 but?

I can't unlock it with the baseband I upgraded to, which is 3.0.04.Is there any way I can downgrade this baseband to an old one?

I don't know these unlocking methods… I would suggest the I-tunes using remote Unlock method for i-phone 4 unlock it. It's very easy method… Visit the site http://www.simpleunlocking.com/apple-iphone-4/rs16wp9/ get remote i-phone 4 unlock service and unlock it.Specify the network and country's it's locked now and get remote unlock service and unlock it. In this method you need to update i-phone 4 software to latest version.

Unfortunately there's no way to downgrade your baseband, your only option would be to wait until they release an unlock for your baseband.

I have an iPhone 4 with baseband 4.12.01 (Which is also one of the basebands that can't be unlocked), but I got it unlocked via an eBay vendor. I made sure I did my research with the vendor before and found nothing but reputable and good things said about it.

Unfortunately it only unlocks AT&T iPhones, but if you have an AT&T iPhone and $9.75 you can get your iPhone unlocked for life (It'll become factory unlocked meaning you won't have to unlock it every time there's an update)

I unlocked mine this morning (I'm studying abroad for the year in Finland so I needed to)

Proof:
eBay Listing: http://www.ebay.com/...0813748947

Any questions, let me know. Otherwise, good luck!
Cameron.

It can be unlocked by a gevey sim. There's no other option for this old type of baseband.

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