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Tutorial – Update to 4.1 without updating the baseband

JailbreakNews2 Tutorial Update to 4.1 without updating the baseband

Here is a tutorial that will be useful to many iPhone users. As you know GeoHot to today (10/09/10) released its Jailbreak Limera1n tool.

limera1n drop Tutorial Update to 4.1 without updating the baseband

This last jailbreak iOS 4.1 but does not unlock the baseband 2.10.04 contained in iOS 4.1.

To unlock your iPhone while passing it in 4.1 you must prevent the baseband from updating and for that nothing could be simpler, just follow the following method step by step.

Recommendations

This tutorial must be performed on an iPhone 4 not unlocked operator on iOS 4.0, 4.0.1 or 4.0.2

Prerequisites

[dl url= »http://thefirmwareumbrella.blogspot.com/ » title= »TinyUmbrella » desc= »Site officiel »]

[dl url= »http://www.appsystem.fr/firmwares/ » title= »iOS 4.1″ desc= »iPhone 4″]

Tutorial

Step 1

Right click on TinyUmbrella and click on “Run as administrator”

admin Tutorial Update to 4.1 without updating the baseband

You must now authorize the execution of TinyUmbrella.

22 Tutorial Update to 4.1 without updating the baseband

2nd step

Connect your iPhone and check that TinyUmbrella has detected it.

31 Tutorial Update to 4.1 without updating the baseband Stage 3

Now click on the button [Start TSS Server] at the top at the top of the TinyUmbrella window. Make sure there is no error message in the log window (where there are lots of things written: p)

4 Tutorial Update to 4.1 without updating the baseband

Step 4

iTunes will then be automatically closed. If you have an error message on TinyUmbrella you can stop the manipulations now that means that your device does not meet the conditions necessary for this method.

Leave TinyUmbrella open and launch iTunes again.

Step 5

Now open iTunes and press the SHIFT key on the keyboard and while holding down click on the button [Restaurer]

iTunes restores Tutorial Update to 4.1 without updating the baseband Then select firmware 4.1 in IPSW format downloaded previously.

Step 6

iTunes will then show you a nice error 1004 and it’s completely normal, don’t worry: p

51 Tutorial Update to 4.1 without updating the baseband

Step 7

Return to TinyUmbrella which had remained open. Click on the button [Kick Device Out Of Recovery].

If the operation fails, close TinyUmbrella and repeat the operation in step 7.

6 Tutorial Update to 4.1 without updating the baseband Step 8

the iPhone will then go to 4.1 without updating the baseband 😉

12 Tutorial Update to 4.1 without updating the baseband

Now let’s go to the Jailbreak and then the unlocking thanks to these two tutorials.

Jailbreak

Tutorial – Limera1n: Jailbreak 4.1 for all devices [Windows]

Unlocking

Tutorial – Unlock / Unlock iPhone 4 with Ultrasn0w 1.0-1

Enjoy 😉

the iPhone3GSystem team

source

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