沒想到有人連看都不看
難怪還是一堆人沒備分SHSH就一直猛升級
最後降都降不回來......
PS:之前台灣水貨商賣出一堆美版JB解鎖的iPhone4,買的人大多都是新手,如果手賤升級....哼哼哼
通通變高級iPod touch嗎 哈
iphone
there is 2 main firmware/software running in iphone
1. Firmware - is a OS running in your iphone , now is 4.1 (no JB) , if u upgraded ,
2. baseband - for u to making call , connecting to telco for data (3G),
* ipod is without baseband , so it cant make any call, but only wifi
iOS 4.1 Breaks Jailbreak and Unlock – via Dev-Team
September 8, 2010 by Brooke
Categories: dev team
Tags: dev team, DevTeam, iOS 4.1, iPhone, jailbreak, unlock
No Comments
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Like most firmware updates… iOS 4.1 breaks the current jailbreak and unlock. This is especially true for unlockers due to the fact there there is no way to revert your baseband. I’m sure the guys over at the Dev-Team are working on updating the jailbreak. We will keep you informed on how they are doing. Below is what the Dev-Team has to say about upgrading to iOS 4.1.
This time of year there are lots of new iPhone owners, and not everybody knows that accepting new iOS updates is the surest way to lose your jailbreak and/or unlock. While those of you who have Cydia or TinyUmbrella backups of your FW hashes will always be able to get back to 4.0.1 if you make this mistake, this doesn’t hold for unlockers. There’s currently no known way to revert your baseband — if you update your baseband you’ll lose the ultrasn0w unlock, possible forever.
Please stay away from this 4.1 release until a safe jailbreak procedure (which also preserves ultrasn0w) is developed and released.
P.S. There are a tiny number of iPhone3G owners who can revert their basebands due to a flaw in very early bootloaders…you will already know if you fit in this category!
http://www.appleiphoneschool.com/201...-via-dev-team/
Dev-Team 提醒部份 Jailbreak 用家勿以為 backup 了 SHSH 就以為隨時可降回本身 firmware,雖然 firmware 可以回復到舊版,但 baseband 是不可回復的,意思是說如果你是購買水機有 sim lock 的話,升級 4.1 後有機會永遠不能解回 sim-lock 。只有小量使用舊 bootloader 的 iPhone3G 用家可以回復舊版 baseband 。筆者建議已 Jailbreak 的用家不妨等待 4.1 Jailbreak 正式推出才升級,原生港行 4.0.2 用家真的要升的話也可試試,反正本身就沒有 SHSH 備份了,亦不必擔心有 Sim-Lock
所以請需要使用ultrasn0w來unlook的使用者不要升級iOS 4.1![]()
所以說4.1還是會出jb
不會等到4.2?
我是無鎖原生4.0.2的iphone4 也備份了4.0.的SHSH。那我以後要JB 還可以先升4.1嗎
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