Ako urobiť downgrade Váho iPhone 3G s 2.30 (2.2.1) basebandom

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

Jedná sa o návod na downgrade vašeho basebandu 2.30 na 2.28 pre iPhone 3G s bootloaderom 5.8. Downgrade vašeho basebandu na nižší Vám umožní odomknúť váš iPhone 3G pomocou YellowSn0w. Na podobnom princípe, pre vyššie verzie bootloaderu sa stále pracuje...

DÔLEŽITÉ: Uistite sa, že iPhone používa bootloader 5.8, kým budete pokračovať. Návod, ako skontrolovať verziu bootloaderu nájdete tu: Windows, Mac. Uistite sa že máte baseband 2.30 podľa tohoto tutorialu. Ďálej budete potrebovať nainštalovaný MobileTerminal aby ste mohli dokončiť tento tutorial.

Krok jedna
Spustite Cydiu ťapnutím na ikonu na vašom SpringBoarde.

Ako urobiť downgrade Vášho iPhone 3G s 2.30 (2.2.1) basebandom

Krok dva
Ťapnite na Sections na spodku obrazovky.

Krok tri
Nalistujte iClarifed v zozname v Sections. Ak nevidíte iClarified musíte pridať zdroj iClarified použitím tohoto návodu.

Krok štyri
Vyberte DownBB zo zoznamu balíčkov.

Krok päť
Ťapnite na tlačítko Install napravo hore na obrazovke.

Krok šesť
Ťapnite na tlačítko Confirm pre pokračovanie v inštalácii.

Krok sedem
Akonáhle bude inštalácia úspešne dokončená, stlačte veľké tlačidlo Return to Cydia.

Krok osem
Stlačte Home button aby ste sa vrátili na Váš SpringBoard a spustite Terminal.

Krok deväť
Zadajte su do okna terminálu a stlačte Enter keď budete vyzvaný na zadanie hesla napíšte do terminálu alpine a stlačte Enter.

Krok desať
Pre spustenie baseband downgrade skriptu napíšte do okna terminálu DownBB a stlačte Enter.

Krok jedenásť
Budete vyzvaní na potvrdenie ak budete chcieť pokračovať. Prosím, uistite sa, že máte baseband 2.30 a bootloader 5.8 pred tým ako napíšete yes do okna terminálu.

Krok dvanásť
DownBB teraz spustite skript, ktorý zníži váš baseband.

Krok trinásť
Keď bude dokončený skript, váš iPhone sa automaticky reštartuje.

Krok štrnásť
Váš baseband bol znížený na 2.28.

Krok pätnásť
Teraz môžete odblokovať iPhone pomocou tutorialu ktorý nájdete tu!

Poďakovanie
Veľká vďaka EvilPenguin, pH a DHowett za ich prácu na tomto skripte! Vďaka aj Geo-hot!

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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......??????????

Reply · Like

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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

su deposu - August 26, 2010 at 6:20am

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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

DRAGAN - June 20, 2009 at 10:06am

iphone 3g 3.0 modem 04.26.08 unlock the carrier

mmet - June 18, 2009 at 2:13pm

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 ...

waigal - June 17, 2009 at 12:20am

i have a 3g iphone with bootloader version 05.09 and baseband version 02.30.03 and OS version 2.2.1 can't downgrade the baseband anyone can help????

mike - June 19, 2009 at 11:34pm

iphone newbie is there a way to downgrade 5.9 bootloader yet please help

the_same - September 19, 2009 at 9:30pm

same happens to my iphone dude, i did all that shitty bt nothing happnd yet ,,,,

Maha - September 20, 2009 at 4:21am

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

dr-sotz - October 2, 2009 at 12:43pm

only jailbroken not unlock if ur bootloader is 5.9 and 6.x

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chuck - June 14, 2009 at 11:48pm

iphone newbie is there a way to downgrade 5.9 bootloader yet please help!!!

Jaspreet Singh Jolly - April 23, 2010 at 10:35pm

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

Bryan - November 17, 2010 at 1:19am

Did anyone figure out how to downgrade Bootloader 05.09????

vysal - June 12, 2009 at 4:42am

i install actidently with os 3.0 bootloader 5.9 / modem firmware 04.26.08 ... i can jealbreak but cant unlock the GSM carrier. so any idea.

Nameless - December 23, 2009 at 9:11am

isntall blacksnow

smit dave N. - June 3, 2009 at 12:09pm

hey i have a boot loader version 5.9...plz help how to downgrade to 5.80...plzzz help plzzzz!!!!!!!!!!

akter_hosain - June 3, 2009 at 2:31am

I have a Iphone 3g, Firmware version 2.25G77, Modem version 2.30.03 Bootloader version 6.04

reex33 - May 28, 2009 at 10:14am

C'mon!!!! 5.9/6.0 to 5.8 I hope we get this problem solved soon. shhhiiiiitttt......

taha Hadrez - May 27, 2009 at 7:46am

sdfg

tony - May 27, 2009 at 1:35am

help me unlock 2.2.1 version, 2.30.03 baseband and 6.04 bootloader iphone.

serenity - May 26, 2009 at 1:23pm

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.

MrBlue - May 25, 2009 at 10:46pm

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.

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