Few days back,
, which added native support for iOS 5.0.1 and also added the ability to create custom iOS firmware file for Windows users to they can upgrade to iOS 5.0.1 without updating their iPhone ‘s baseband.
In this guide, we will take you through the step by step procedure to jailbreak iPhone running 
 without updating the baseband using Redsn0w.
Here are some important points to note before you proceed.
iPhone 4 and iPhone 3GS users (more…)

, which finally allows iPhone 4 GSM, iPhone 4 CDMA and iPhone 3GS users to perform an untethered jailbreak.
In this guide, we will take you through the step by step procedure to jailbreak iPhone running 
 without updating the baseband using Redsn0w.
Here are some important points to note before you proceed.
iPhone 4 and iPhone 3GS users who are interested in unlocking their iPhone using Ultrasn0w – a software method. iPod touch 4G and iPod (more…)

Few days back, MuscleNerd – the most vocal member of the
.
MuscleNerd has just posted an update on the progress on Twitter.
Here’s a tiny snippet: http://twitpic.com/7mg5hp …but we’ll be digging into the rest of it too!
iPhone 4S teardown had revealed that it comes with Qualcomm MDM6610 chipset, which is confirmed in the tiny snippet below:
The baseband bootrom (called “SecureROM” by Apple ) is the first code that runs on the baseband (more…)

Few days back, iPhone Dev team had released a new version of Redsn0w for iOS 5 that also included the
, which allows users to create a custom iOS firmware file that can be used to update the iPhone to jailbroken iOS 5, while preserving the baseband so that they can use
to unlock it.
In this guide, we will take you through the step by step procedure to jailbreak iPhone running 
 without updating the baseband using Redsn0w.
Here are some (more…)

then may have also heard about a SIM card hack called Gevey SIM.
but works by forcing the activation of the baseband using the emergency dialer. It can unlock
basebands 04.10.01 (bundled with
,
), 03.10.01 (bundled with 
), 02.10.04 (bundled with 
).
SIM card holds many different types of information, but the part most involved with carrier lock is the IMSI number, which is a unique code that corresponds to your account in the mobile (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 unlock their iPhone .
has just confirmed that they are working on a solution that will allow users to downgrade their iPhone ’s baseband back to 05.15.04.
@Lezanz sorry still collecting data on that. But also working on a bb downgrade (!) method for those with unlockable bb
@idansc yes if the BB downgrade method works, it will work for 06.15 too.
We are assuming that the iPhone will still be unlocked after downgrading to baseband 05.15.04.
(more…)

baseband to 06.15.00 along with
to unlock it few days back.
Some users have reported significant loss of GPS signal after upgrading to baseband 06.15.00. iPhone Dev team has also confirmed that though baseband 06.15.00 is capable of GPS, it might require further
.
Unlockers have been reporting mixed results about GPS functionality at 06.15.00.
Until we can track down what differentiates those who retain GPS vs. those who lose it, be conservative (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…)

.
Semaphore,
that prevents users from using Firmware Umbrella.
It seems that Apple has decided to put a baseband requirement on iOS. So at this point, if you are using Saurik’s server or tiny umbrella and trying to restore 4.2.1 on an iPhone 4, you will end up in recovery mode and tiny umbrella will not be able to pull you out of recovery.
This means that tools like Firmware Umbrella allow you to update your iPhone 4 to the latest firmware (more…)