Cómo Hacer el Downgrade a Tu Iphone 3G 2.30 (2.2.1) Baseband para el Desbloqueo

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Posted April 16, 2009 at 1:52pm by iClarified · 326042 views

Estas son las instrucciones de cómo hacer el downgrade de tu baseband 2.30 a 2.28 para los iPhone 3Gs con el bootloader 5.8 Esto te permitirá desbloquear tu iPhone 3G usando YellowSn0w. Un exploit similar aún está siendo trabajado para aquéllos con una versión de bootloader mayor...

IMPORTANTE: Asegúrate de que tu Iphone usa el bootloader 5.8 antes de continuar. Puedes encontrar instrucciones de cómo chequear la versión de tu bootloader aquí: Windows, Mac. Asegúrate de que estás en la baseband 2.30 usando este tutorial. También necesitarás tener instalado Mobile Terminal para completar este tutorial.

Paso Uno
Ejecuta Cydia presionando el ícono en tu SpringBoard.

Cómo Hacer el Downgrade a Tu Iphone 3G 2.30 (2.2.1) Baseband para el Desbloqueo

Paso Dos
Selecciona Secciones pestaña al final de la pantalla.

Paso Tres
Selecciona iClarifed en la lista de Secciones. Si no ves iClarified necesitarás añadir la fuente iClarified usando estas instrucciones.

Paso Cuatro
Selecciona DownBB de la lista de Paquetes.

Paso Cinco
SeleccionaInstall en la esquina derecha de la pantalla.

Paso Seis
SeleccionaConfirmar para empezar la instalación.

Paso Siete
Una vez que la instalación completa exitosamente, presiona el botónRegresa a Cydia .

Paso Ocho
Presiona el botón Home para regresar a tu SpringBoard, y luego ejecuta Terminal

Paso Nueve
Escribesu dentro de la ventana de la terminal alpine usa alpine cuando te solicite el password.

Paso Diez
Escribe DownBB dentro de la ventana de la terminal para abrir el baseband downgrade script.

Paso Once
Se le solicitara que si esta seguro que desea continuar. Por Favor este seguro de que esta utilizando 2.30 de baseband y tienes el 5.8 Bootloader antes de escribir si en la ventana.

Paso Doce
DownBB ahora ejecutara el script el cual baja tu baseband.

Paso Trece
Una vez que el script se a completado, reiniciará automaticamente tu iPhone.

Paso Catorce
Por favor ten en cuenta que ahora estas en baseband 2.28

Paso Quince
Ahora puedes desbloquear tu iPhone utilizando la guía para desbloquear iPhone 3G encontrada en here!

Gracias
Muchas Gracias a EvilPenguin|, pH, and DHowett por su trabajo en este script! Gracias a Geo-hot por haber descubierto la forma de entrar!

Traducido por Kevin Corrales (Costa Rica)

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ravdeep - August 26, 2012 at 10:57am

i have iphone 3g bootloader 6.2 .... by mistake i upgraded it to 4.2.1 baseband 5.15.04 .... now its sim is not getting unlocked..... Is there any way to do it......as the baseband cannot be downgraded using fuzzyband......??????????

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Damann - October 19, 2009 at 11:02am

I have an Iphone 3G with 3.0 and 5.9 bootloader and 05.11.07 baseband.... When are they gonna come out with a fix for this to be unlocked or an update or something... Ive been waiting a long time for this... Plz Help a brother out.... Im stuck like chuck

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haber - December 18, 2010 at 5:26am

as to do it, but that doesn't change the essential rationality of wondering why you're doing something that sucks when you could presumably be somewhere else, doing something http://www.bighaber.com

sanenda - October 8, 2009 at 11:05pm

Hello, I have iphone 3g i installed firmware 3.1 by mistake after that i again installed firmware 3.0 after getting errors now i have baseband 05.11.04 something like that, and bootloader 5.90. now I want to unlock my iphone because ultrasn0w is no longer working now.... please help me out.

konteyner - October 6, 2010 at 5:15am

that doesn't exactly embrace the avoidance of unnecessary intervention.

Maha - September 20, 2009 at 4:16am

The solution is to upgrade to 3.0 OS and then use Ultasnow to unlock..it works for 5.9 and 6.2 bootloader.

Shahzad Riaz - September 21, 2009 at 5:16pm

Still no luck ..i got OS 3.0 and bootloader 6.4... suggestions? cheers.

Naiyadh - October 1, 2009 at 7:59am

Hey, i have iphone 3g with fw 3.0. my bootloader is 5.09 and bb is 5.11.07. do you think i can do this to downgrade my bb. Please let me know. And thanks for help.

Maha - October 1, 2009 at 8:29am

Yes It is possible I have OS 3.0 and bb 6.02 *(It was 6.somthing I can't recall). Anyway I used Ultrasnow to unlock my phone. Visit this page and do as they say : http://www.blogsdna.com/3778/how-to-unlock-iphone-3g-30-os-firmware-with-ultrasn0w-06.htm

Salman - October 2, 2009 at 1:03pm

Ayman - May 29, 2010 at 10:13pm

ya maha could you tell me more how can you make it work with boot loader 08.09 i tried 3.1-3.12-.3.13 nothing is happening

hyper - July 3, 2009 at 2:32am

thanks for this one, but unlucky for me. Mine has a 5.9 bootloader. is their a new way to downgrade it?

kabin - August 20, 2010 at 7:33am

yeni projeniz için bir tasarımcı ortağa ihtiyacınız varsa, o kişiye kolaylıkla ulaşmanızı sağlamak istiyoruz. Aynı şekilde projeniz i

muhd sidek - June 22, 2009 at 7:36am

I cant unlock my phone wit yellowsnow..........its show NO SERVICE>.........pLS any1 help me .......... IPHONE 3G 2.2 baseband 04.26.08..................PLSSSSSS

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