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Updated to 2.2.1, call and reception issues, iPhone 3G
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nokia2003
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 Feb 5 2009, 07:14 PM
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QUOTE(frozzbyte @ Feb 5 2009, 07:04 PM) @hanae0711 Actually you're in deep s**t. When you upgrade the phone to 2.2.1, the baseband already change. Yellowsn0w only work with 2.2 baseband (02.28.00). You can check the baseband in Settings --> General --> About --> Modem Firmware. If it state 02.30.03 then yellowSnow won't work. If you want to upgrade from 2.2 to 2.2.1, the correct way was using Pwnagetool and create a custom IPSW (firmware file). In Pwnagetool, there's an option to disable baseband update, means you can upgrade the phone firmware to 2.2.1 but keeping the 2.2 baseband. in an unrelated note, this update has always been fondly as known as the the yellowsn0w "killer", in order to hinder dev team's progress. |
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nokia2003
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Feb 6 2009, 01:22 AM
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QUOTE(chrisl_57 @ Feb 6 2009, 01:16 AM) » Click to show Spoiler - click again to hide... « The whole article talk about baseband downgrade. Notice that all the guys who did that mentioned iPhone 3G 2.2.1 firmware. This is why the article specifically mentioned that they have managed to downgrade the baseband from 2.3.03 to 2.28.
It is not false hope when many of them have done it.
One of our readers, ezio-xb just commented on our step-by-step guide to downgrade from iPhone firmware 2.2 to 2.1 to tell us that he was able to successfully downgrade his iPhone 3G back to firmware 2.2 and jailbreak it. We have updated the guide to downgrade from iPhone firmware 2.2.1 to firmware 2.2.
and
One of our readers, ezio-xb just commented on our step-by-step guide to downgrade from iPhone firmware 2.2 to 2.1 to tell us that he was able to successfully downgrade his iPhone 3G back to firmware 2.2 and jailbreak it. We have updated the guide to downgrade from iPhone firmware 2.2.1 to firmware 2.2.
He commented:
"FYI; I just made the BIG mistake to update my Jailbraked 3g-iPhone with 2.2.1 (with the Safari blah blah update) which totally mess up my phone and put it back to "normal".
I found your guide and I downgrade back to 2.2 using the ...shift+restore option that you suggest for previously firmware in the upper article (!than you!)
After all the process and the long restore point I was able also to Jailbreak and now works as it was before and just need to fix my icons."
Notice the word 3G in the article that was first downgrade & jailbreak. ezio-xb initially has a non-working iPhone 3G when he mistakenly upgrade to firmware 2.2.1. The dead iPhonei s now working for him.
illjuan3@yahoo.com... posted a youtube video of the exact sequence of doing the restore & users skp, dm0ney, effwg etc... and many of the posting in the same page showed that they have manged to downgrade & un lock the iPhone 3G.
Even in the posting for te video in Youtube at least 1 of the recent posting thank the person for the intructions to solve the 2.2.1 downgrade probl SO THIS IS NOT FALSE HOPE. AT LEAST THEY TRIED AND GET IT WORKING. Just to let you know - I have unlocked, jailbreak and customized 5 iPhone 3G and 8 iPhone 2G over the last 4 months for friends & relatives for free. I am also a registered Apple iPhone Applications developer on iPhone applications as a part-time basis and also work on cracking some of the paid applications on Cydia & Applestore for my own personal use.wow, so darn impressive! This post has been edited by nokia2003: Feb 6 2009, 10:16 AM |
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nokia2003
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Feb 6 2009, 10:15 AM
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QUOTE(beavis68 @ Feb 6 2009, 10:13 AM) i assume u don't read carefully on those article released by DEV TEAM...... please bear in mind once u upgrade d baseband to 02.30.03 there is no way to downgrade d baseband back to 02.28.00 (at d moment). d whole article is only talking about firmware downgrade n not baseband downgrade... if u think so easy to downgrade d baseband then y should apple released d baseband upgrade? is it for fun? difinitely to kill yellowsnOw user.... ..get your fact right before giving any comment.. by the way if u want to prove us wrong.....why not u upgrade your lock iphone to 2.2.1 using itune and later downgrade it to 2.2 n show us d baseband
cheers... it definitely sounds like a swell plan  This post has been edited by nokia2003: Feb 6 2009, 10:17 AM |
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