iPhone Jailbreak nd unlock 3GS

[wolfgang666]

How do I upgrade iPhone 3GS to iOS 6.1 without upgrading the babseband??

I need top reserve the BB for unlocking using ultrasn0w....

 

[Applejuiced]

You cannot currently.
You have to wait for an update on redsnow to be able to create custom 6.1 ipsw's and for ultrasnow to be updated to work with 6.1

 

[wolfgang666]

You cannot currently.
You have to wait for an update on redsnow to be able to create custom 6.1 ipsw's and for ultrasnow to be updated to work with 6.1

any info if the dev's are working on this and when it will be available???

 

[45357254]

use sn0wbreeze, any mode preserves baseband.