Unlock iphone 3g 4.2.1

[jloresfosh]

My iPhone is jailbroken and updated to 4.2.1 but it's not unlocked!:/

Anyone know how I can unlock it?

 

[bab2010]

Go to cydia and look for ultrasnow.


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[jloresfosh]

It doesn't work for my baseband 05.15.4, so I'm out of luck I guess?:/

 

[bab2010]

Ah maybe you shoukd manualy look for ultrasnow 1.2 and manually install it into cydia folder if that is in anyway possible, i've never tried it, but i know that ultrasnow 1.2 unlock your baseband.


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[RicardoR]

Use Fuzzyband to downgrade the baseband. Then, ultrasn0w should work.

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[jloresfosh]

Fuzzyband doesn't work for baseband 05.15.04

 

[RicardoR]

It does. Use iFunBox to insert ICE-05.15.04.cert into Fuzzyband and re run it. Then you will be able to downgrade.

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[jloresfosh]

Where do I get ifunbox? It's not on cydia

 

[RicardoR]

Google it pal!

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[Zeemee300]

OP I have the same issue, we can't downgrade using any of the above mentioned tools
Some how we are the few who have the latest Bootloader, I think it's 5.09 or something, excuse me for not typing it in correctly, I'm new to this,
However afte many attempts and google searches, I feel that we are sitting ducks until the wizards figure out the new tool/break for us tounlock our latest Bootloader
I'm only assuming u have the new boatloader since u can't downgrade

Any other options any other members have please let me know
All I know I don't want to go with the 6.15 version

 

[cherty759]

[ame=http://www.metacafe.com/watch/6825692/new_leaked_iphone_3g_commercial/]New Leaked IPhone 3G Commercial - Video[/ame]

 

[venmalathy]

You can unlock it easily <link removed>