Now that the iPhone 4 jailbreak has been released, the only piece of the puzzle left is the carrier unlock.
The updated ultrasn0w is due to be released in approximately 47 hours, according to the horse’s mouth. All that is left is some final testing to make sure everything is in working order.
We will be releasing the unlock in 48 hours (after we conduct a private beta).
iPhone4 carrier unlock will be pushed after small test period (only @planetbeing and I have been able to test til now!)