The iPhone Dev Team have  the ultrasnow unlock for iPhone has been updated to support with iOS 4.3.3. This ultrasnow unlock will only work with iPhone 4 baseband 1.59.00, and iPhone 3G,3GS basebands 4.26.08, 5.11.07, 5.12.01, 5.13.04, and 6.15.00. If your baseband is different from these, then you can’t unlock using ultrasnow at the moment. Read the ultrasnow unlock tutorial below.

In addition to Pwnagetool 4.3.2, iPhone Dev Team has also released the updated ultrasnow 1.2.2 for making it compatible with the most recent iOS 4.3.2 firmware. Instead of ultrasnow fixer, you may now use official ultrasnow for unlocking your device on iOS 4.3.2 running old baseband now. It is to inform you that this update for ultrasnow 1.2.2 is for current unlockers only i.e., for those users who are still on unlockable baseband. Read the ultrasnow 1.2.2 unlock tutorial below.

iOS 4.3.2 firmware was released last week and thanks to i0n1c we already have an untethered iOS 4.3.2 jailbreak. Just like when the Dev Team needed to update ultrasnow for the iOS 4.3.1 firmware, they are going to need to do the same thing for the iOS 4.3.2 firmware. For those of you who have already updated to iOS 4.3.2 firmware only to find that ultrasnow is broken. DJayB6, iOS hacker has created a Cydia package called ultrasnow fixer that he has uploaded to his own Cydia repo. ultrasnow fixer will essentially fix ultrasnow on iOS 4.3.2 firmware

A new remote unlocking method using your IMEI number is available for all AT&T iPhones (GSM) that promises to unlock all iPhones on any baseband without jailbreaking it. It will also unlock your iPhone 4 on basebands 02.10.04, 03.10.01, 04.10.01 including iPhone 3G,3GS on basebands 05.14.xx, 05.15.xx and 05.16.xx which cannot be unlocked using iPhone Dev Team's free ultrasnow unlock tool. Many websites promises to permanently unlock your iPhone using this method but the price is almost thrice as compared to Gevey SIM ranging between $150 to $200. So, should you buy Gevey or Rebel Micro SIM or go via this method? Or should you wait for free ultrasnow to come.

Sherif Hashim has just announced via twitter that he used Gevey SIM to unlock his iPhone 4. On his Twitter account, he tweeted that he had recently made use of the Gevey SIM interposer instead of ultrasnow unlock tool to unlock his iPhone 4. After using it, Sherif Hashim said that he found it much more better than the previous ultrasnow unlock he had used. So now many users might be thinking that if he used Gevey SIM to unlock his iPhone 4, then we should forget about ultrasnow and use Gevey SIM or Rebel SIM card interposers. Take a look at his tweets below.

ultrasnow version 1.2.1 was released only moments ago, and for those of you who would like assistance while using it, we have put together a detailed how to guide. In this guide you will learn how to unlock your iPhone 4,3GS running iOS 4.3.1. Unfortunately, unlocking is not as easy as just installing ultrasnow. This is because ultrasnow 1.2.1 only supports several older baseband version that you will need to check, (Go into Settings > General > About)  and see if you have a supported baseband version by comparing your version number to the list below.

This is just a quick heads-up. It looks like the Dev Team has just pushed ultrasnow 1.2.1 unlock for iOS 4.3.1 out to the public. In fact, this isn’t a new unlock, it just allows those who are already unlocked to use iOS 4.3.1. It also fixes the signal bar issue for those who aren’t using the unlock but retain an older baseband intentionally. As we mentioned, ultrasnow 1.2.1 does not add unlock support for any new baseband versions, it was updated simply so users on the iOS 4.3.1 firmware can use ultrasnow unlock to maintain their current unlock. Read the official word from the Dev Team below.