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
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.
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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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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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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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.
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.
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
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.
I cant unlock my phone wit yellowsnow..........its show NO SERVICE>.........pLS any1 help me .......... IPHONE 3G 2.2 baseband 04.26.08..................PLSSSSSS
hello my friend i have iphone 3g 16 gb 3 but i cant use in turkey my phones version 5.9 i cant use with simcard just use turbo sim plz ı need ur help ...
Don't worry there is a solution, it has been out for almost 2 months. check http://www.blogsdna.com/3778/how-to-unlock-iphone-3g-30-os-firmware-with-ultrasn0w-06.htm
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u cannot downgrade 05.09 bootloader as it is hardware prob........ if u want to replace 05.09 n u live in new delhi(india) i can help u out for that.... it will cost u a bit high ....... ne 1 interested mail me at jaspreet.jolly.6267@gmail.com
Thank you for the help.
However, yet, the problem could not be solved.
Again, we request your help.
At present, it is " modem version 02.30.03 ", "OS 5G77".
Tell the way of changing into modem version 02.28.0.
It tried a down grade in the envoy modem version in the Fuzzyband software.
However, because the bootloader version was to do 5.9 being, it isn't possible to do a change.
Tell the way of changing a bootloader version into 5.8.
Or, tell the way of modem version's being able to be changed in the other way.
I request your help.
Hi,
Dev team, we know that you guys are working on upgrading Yellowsn0w to make it possible to unlock bootloader 5.09 - 6.0. Hopefully can be done... don't let Apple laugh at us... poor people who really don't want to be "jailed" and the people who decided to follow your path.