, iPhone Dev team have released an updated version of 
.
Ultrasn0w 1.2.5 can now be installed on a
running iOS 5.01. Dev team hasn’t added support to any new baseband so it will be compatible with basebands 04.26.08, 05.11.07, 05.12.01, 05.13.04, and 06.15.00 for iPhone 3GS and baseband 01.59.00 for iPhone 4. You can find your iPhone ’s baseband by going to Settings –> About –> Modem Firmware.
Please note that the only way to upgrade (more…)

, iPhone Dev team have released an updated version of
.
Ultrasn0w 1.2.4 can now be installed on a jailbroken iPhone running iOS 5. Dev team hasn’t added support to any new baseband so it will be compatible with basebands 04.26.08, 05.11.07, 05.12.01, 05.13.04, and 06.15.00 for iPhone 3GS and baseband 01.59.00 for iPhone 4.
We’ve updated ultrasn0w to be compatible with iOS5, which came out a few days ago.  While ultrasn0w 1.2.4 (available (more…)

MuscleNerd, member of the
is released tomorrow.
 for Mac, which includes the
that allows users to preserve iPhone ‘s baseband while upgrading to iOS 5.
Please note that we’re assuming that Dev team will release it as soon as MobileSubstrate is released, but it is possible that it is released a little later.
Ultrasn0w currently supports the following basebands  01.59.00 (iPhone 4), baseband 04.26.08, 05.11.07, 05.12.01, 05.13.04 and 06.15.00 (more…)

.
PwnageTool 4.3.3 will allow
users to safely restore to a pre-jailbroken iOS 4.3.3 firmware and retain their current baseband so that they can use Ultrasn0w to
, which is only useful for users with older baseband.
… three in a row!  Apple released iOS 4.3.3 on Wednesday, and once again the untethered jailbreak exploit that
created for 4.3.1 still works.  That makes it an unprecedented three firmwares where the same userland exploit (more…)

.
PwnageTool 4.3.2 will allow
users to safely restore to a pre-jailbroken iOS 4.3.2 firmware and retain their current baseband so that they can use Ultrasn0w to
, which is only useful for users with older baseband.
PwnageTool 4.3.2 now includes the iOS 4.3.2 untether from @i0n1c.  (And look, the PwnageTool and iOS version numbers actually match!).
Note that there’s a corresponding update to ultrasn0w, which has been bumped up to v1.2.2 (more…)

,
for Mac,
that was released by iPhone Dev Team couple of days back and noticed issues such as single signal bar etc. then
has announced that a fix is on its way.
MuscleNerd: The 4.3.1 issues (signal bars, etc) are fixed http://is.gd/OYktXf but need a few days to test all devices + FW (again: not a new unlock!)
basebands – 02.10.04 (bundled with iOS 4.1), 03.10.01 (bundled with iOS 4.2.1), 04.10.01 (bundled with iOS 4.3) or
basebands – (more…)

,
,
for iOS 4.3.1.
Ultrasn0w 1.2.1 for
baseband 01.59.00 and
basebands 04.26.08, 05.11.07, 05.12.01, 05.13.04 and 06.15.00.
We’ve pushed out the 4.3.1 compatibility fix for ultrasn0w in Cydia — it’s now at version 1.2.1.  If you’re not already at 4.3.1 and you need the unlock,
please be sure you understand how to get to 4.3.1 using a custom IPSW that doesn’t update your baseband.
This isn’t a new unlock!  It’s to allow (more…)

iH8sn0w has released a new version of Sn0wbreeze – v2.3 Beta 4, which will allow users to use Ultrasn0w to unlock
baseband 01.59.00 and
basebands 04.26.08 / 05.11.07 / 05.12.01 / 05.13.04.
, the unofficial
for Windows last weekend.
Sn0wbreeze 2.3 beta 4 includes the following changes:
baseband 01.59.00 and
basebands 04.26.08 / 05.11.07 / 05.12.01 / 05.13.04) and want to
as it allows users to create custom iOS 4.3 firmware file that (more…)

to update baseband to 06.15.00 and
then you are not alone as some readers have reported the issue.
According to iPhone hacking expert, Sherif Hasim, it looks like the reason for the poor battery life issue is the hacktivation process used in PwnageTool and Redsn0w and not Ultrasn0w 1.2.
On a very important side note, before anyone starts to complain about battery drainage issues after installing the new ultrasn0w on the 6.15.00 updated BB, (more…)

.1 and updated the baseband to 05.15.04.
MuscleNerd has just confirmed that the updated Ultrasn0w will also unlock baseband 05.15.04.
ssstephD: @MuscleNerd will the new ultrasn0w unlock be able to unl0ck baseband 5.15.04? made the big mistake of upgrading it =/ !
MuscleNerd: @ssstephD it covers 05.15.04 too — but yeah, really need to stay vigilant about not updating
3GS or iPhone 3G to iOS 4.2.1 (not using the official iPhone carrier SIM) (more…)