Làm thế nào để hạ Firmware iPhone 3G 2,30 (2.2.1) Baseband dành cho Unlock
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Posted April 16, 2009 at 1:52pm by iClarified
Trước khi làm theo hướng dẫn của bài này, phải đảm bảo iPhone của các bạn có bootloader 5.8. Có thể tìm thấy các hướng dẫn về việc kiểm tra phiên bản của bootloader tại đây: Windows, Mac. Và chắc chắn iPhone phải có baseband 2.30, các bạn có thể làm theo cách sauthis tutorial. Các bạn cần phải cài đặt MobileTerminal để hoàn thành hướng dẫn này.
Bước 1 Mở ứng dụng Cydia từ SpringBoard.
Bước 2 Chọn mục dưới cùng của màn hình.
Bước 3 Chọn iClarifed trong danh sách. Nếu không nhìn thấy iClarified, bạn sẽ cần phải thêm mã nguồn iClarified bằng cách sử dụng hướng dẫn these.
Bước 4 Chọn DownBB trong danh sách.
Bước 5 Chọn Install nút nằm phía trên bên phải màn hình.
Bước 6 Chon Confirm để bắt đầu cài đặt.
Bước 7 Sau khi cài đặt hoàn tất, bấm chọn thẻ tab Return to Cydia.
Bước 8 Chọn nút Home để quay trở lại SpringBoard sau đó chọn Terminal
Bước 9 Nhập su vào cửa sổ Terminal, sau đó nhập alpine khi con trỏ đi đến dòng password.
Bước 10 Nhập DownBB vào cửa sổ Terminal để chạy các tập lệnh hạ baseband.
Bước 11 Bạn sẽ được yêu cầu xác nhận tiếp tục hay không. Hãy chắc chắn rằng iPhone có baseband 2.30 và có bootloader 5.8 trước khi chọn yes.
Bước 12 DownBB sẽ thực hiện các tập lệnh để hạ baseband.
Bước 13 Sau khi hoàn thành, nó sẽ tự động khởi động lại iPhone của bạn.
Bước 14 Bây giờ baseband của iPhone bạn sẽ là 2.28.
Bước 15 Và bây giờ chúng ta có thể mở khóa, theo hướng dẫn unlock iPhone 3G here!
THANKS Chân thành cảm ơn EvilPenguin|, pH, DHowett, Geo-hot đã tìm hiểu và tạo ra các tập lệnh này! Cảm ơn bạn thuanleduc86 đã dịch!
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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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To put it another way, why learn subject for which there is minimal employment? Or does this return to the earlier topic of pigeon-hole careers? Perhaps we need to focus our children on the ingredients rather than the recipe.
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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.