Dev Team說：Pre-game show

[iPhone派報生]

On Tuesday, Apple released firmware 3.1.3 for the iPhone and iPod touches.  Unless you’ve personally observed a problem with the reporting of your battery percentage, there’s *no reason to update to 3.1.3*.  We know some of you will want to anyway.  Superbowl Sunday’s PwnageTool 3.1.5 for Mac OS X will let you do so safely, preserving your jailbreak and ultrasn0w unlock.  (If you use the blacksn0w unlock (at baseband 05.11.07), you need to stay at 3.1.2.)

iPhone 3G and 3GS unlockers should always be very wary to update their firmware.  This is no exception.  If you make a mistake along the way you may find yourself updating to official 3.1.3 in which case you will lose your unlock, possibly forever.

iPhone 3GS users (regardless of unlock) should stay away from this and all 3.1.3 jailbreak tools unless you know you have your “SHSH hashes” backed up via Cydia.  That’s because if you make a mistake you may find yourself stuck at official 3.1.3 with no way to jailbreak or come back down to 3.1.2 to jailbreak.

If you really truly feel that you need to update, this version creates a custom 3.1.3 IPSW for you to restore to on your iPhone 2G, iPhone 3G, iPhone 3GS with early bootrom, iPod touch 1G, and iPod touch 2G with early bootrom.  If you don’t know if you have an early bootrom or not, please avoid updating until you learn more.

You don’t need to be pre-jailbroken on anything but the iPod touch 2G early bootrom.  And really for that device, it’s faster and easier to use redsn0w 0.9.4 as mentioned in our last post.  For that matter, if you have an ipt1g, iphone2g, or iphone3g(and don’t need an unlock), you should use redsn0w too (but version 0.9.3).  It’s faster and you won’t have to go through a full restore process (just do an update then run redsn0w, pointing it at 3.1.2 FW instead of 3.1.3).

If you have an iPhone 3GS, PwnageTool works if you’re currently at version 3.1.2 or below (down to 3.0).  You don’t need to be already jailbroken — PwnageTool will ask you if you’re jailbroken after you’ve created the IPSW.  Don’t use PwnageTool on the iPhone 3GS if you’re at 3.1.3, it just won’t work.  Downgrade to 3.1.2 using the methods described here.  If you can’t downgrade because you don’t have your 3GS 3.1.2 hashes on file with Cydia, you’ll need to sit out the 3.1.3 jailbreak.

We aren’t revealing any new exploits to Apple with this jailbreak. Everything here has been used before, it’s just a straightforward port of Pwnage2 and 24Kpwn to the new firmware.  It’s possible the new firmware was released largely to flush out new exploits before the next big release.  We won’t be biting.

We’ll be updating this post with the bittorrent files (and any unofficial mirrors) for the new PwnageTool later today (SHA1 hash 16611fb60d088edd2fa5128e4f95f35d8e56a603).  We’d really like the above warnings and disclaimers to sink in first, though.  Please feel free to ask any questions in the comment section below.  We’ve got a bunch of expert help there, including our friendly moderators confucious and angie!



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[zzz99]

I think I can stick with 3.1.2 until OS4.

[zzz99]

mistake. sorry.

[halden2714]

簡單重點整理好了

適用機型：iPhone 2G, iPhone 3G, iPhone 3GS (舊版 iBoot), iPod touch 1G, iPod touch 2G (舊版 iBoot)

注意事項：

1. 使用 Blacksn0w 解鎖的朋友請先不要升級到 3.1.3
   
2. 不論鎖機版或非鎖機版的 iPhone 3GS 用戶需要先在 Cydia 上備份 SHSH，否則完全不建議升級到 3.1.3，以免無法降級/JB
   
3. 本版 PwnageTool 無法直接 JB 軔體 3.1.3 版本的 iPhone 3GS，必須是軔體版本 3.0-3.1.2 的 iPhone 3GS 才可以 JB
   
4. 軔體版本 3.1.3 的 iPhone 3GS 請先想辦法降級
   
5. iPod touch 2G (舊版 iBoot) 需要之前就 JB 過，其他機型則不用
   
6. iPod touch 2G (舊版 iBoot) 可以直接用 redsn0w 0.9.4 來 JB，把軔體指向 3.1.2 的檔案即可
   
7. iPod touch 1G, iPhone 2G, 以及解鎖版的 iPhone 3G 可以用 redsn0w 0.9.3 來 JB，把軔體指向 3.1.2 的檔案即可

[halden2714]

I think I can stick with 3.1.2 until OS4.

不能同意更多 :P