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iPhone Dev-Team Details 2.2 Firmware Update

iPhone Dev-Team Details 2.2 Firmware Update

Posted November 21, 2008 at 1:08pm by iClarified
The iPhone Dev-Team has posted some important details about the newly released iPhone 2.2 firmware in a recent blog post...

We can confirm that this update SHOULD NOT be applied using iTunes if you want the chance of a soft-unlock in the near future.

If you want to keep that option of a ‘soft-unlock in the near future’ available but you want the new features of 2.2, you will be able to update to 2.2 using a PwnageTool created custom ipsw file that disables the baseband update. You will be able to do this using an updated version of PwnageTool that will be released sometime soon.

Some facts:
- The 2.2 firmware for 3G contains a baseband update for the 3G iPhone
- The 2.2 firmware for 2G (1st gen iPhones) doesn’t contain a baseband update and the baseband is still at 04.05.04
- We believe that our Pwnage technique (and therefore the Jailbreak) isn’t affected, but PwnageTool and QuickPwn do not support this release as yet, so DO NOT install 2.2 using iTunes as you will lose your jailbreak
- If you apply this update and you previously relied on PwnageTool or QuickPwn to activate your phone, it may become temporarily deactivated and unusable (until we release the new version of PwnageTool or QuickPwn).
- PwnageTool and QuickPwn updates will be released as soon as possible that will allow a safe update path to 2.2 the release of these updates is inevitable but not imminent, we are creating the modifications right now and we need to put the new software through the usual testing process.
- If you apply this update and you have third-party (non AppStore) applications that you rely on they will stop working.
- 2G (1st gen) iPhone users who cannot wait for the new PwnageTool or QuickPwn can safely “Update” to 2.2 using iTunes, this will preserve the existing activation. However “restoring” to 2.2 using iTunes will return the iPhone to the unactivated state. If you are in any doubt just wait. NB: This works for 2G ONLY.
- The use of SIM-Proxies (small circuit boards/chips that sit underneath the SIM card) to provide GSM/UMTS service on your locked iPhone 3G is a method that we have always advised against. Early reports suggest that the 2.2 update disables the functionality of these devices. The techniques used were always unreliable and we are surprised that they have lasted this long.
- We are not working on the 2nd generation iPod touch at the moment, so we cannot comment on what the the 2.2 software update may do to this specific model

So, as always, if you are in any doubt whatsoever please delay the install of this firmware on any of your devices until we have investigated the release in more detail.

iPhone Dev-Team Details 2.2 Firmware Update
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Comments (8)
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luna - November 27, 2008 at 10:45am
Does any1 have any clue how to downgrade the baseband version?? I managed to downgrade from 2.2 to 2.1 but still my sim is not working..
sotigra - November 26, 2008 at 9:33pm
if you make a custom copy of 2.2 can you Post it some where..
sotigra - November 26, 2008 at 9:32pm
i downgraded from 2.2 using itunes.... get the itunes to restore setting then right click and choose an older version of firmware... then i re jailed it.. i like my choice of themes GO Glass orb
Rajiv - November 22, 2008 at 7:14pm
The new QuickPWN and PWNage Tool are out.
Agamy - November 22, 2008 at 9:38am
i have the same problem of Luna, updated to 2.2 through itunes and need help !!!! agamy@hotmail.com Thanks
luna - November 22, 2008 at 4:46am
what can be done if someone updated iphone 3G to 2.2 via itunes??? Please reply as soon as possible to luna.fahoum@gmail.com
attnck - November 21, 2008 at 4:39pm
@ Brad: Are you referring to the iPhone 2G or 3G? The 2G is safe. The 3G is NOT because of the baseband update. So unless a baseband downgrader becomes available for the iPhone 3G, Updating to the new 2.2 Firmware could prevent future unlocks because of the baseband update in the 2.2 Firmware.
Brad - November 21, 2008 at 3:28pm
What happens if you already have updated it and if they soon release a custom ipsw and then restore it to that custom ipsw?
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