iPhone 2.2.1 Firmware Update Breaks Unlock

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Posted January 27, 2009 at 4:49pm by Shalom Levytam

MuscleNerd has confirmed that the iPhone 2.2.1 firmware update breaks the yellowsn0w unlock.

In his Twitter feed MuscleNerd shared the following information:

for *jailbreak* purposes 2.2.1 is fine for all including ipt2g. But it BREAKS the yellowsn0w soft *unlock* for iPhone 3G

it's not surprising that they fixed injection hole for yellowsn0w, it is surprising to see a "silent" update

the iPhone 2G baseband is untouched .. I *think* they've stopped all development of it :) last update for it was 8 months ago

It is quite likely that Apple released this update just to close the unlock hole used by the iPhone Dev-Team. We will keep you up to date with any further information released. Please DO NOT update.

iPhone 2.2.1 Firmware Update Breaks Unlock

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r_dondoy - March 4, 2009 at 10:03pm

how can i use my iphone 3g w/the ver. of 2.2.1(5H11) is there any solution of this problem??

confucious - March 5, 2009 at 3:14am

Either use an official provider or buy a PiggyBag SIM - which might give you some functionality.

angel - May 21, 2009 at 8:11pm

aprender del programa muy interesante

Bidi - March 4, 2009 at 4:00am

What does all this mean?

Confucious - March 4, 2009 at 6:33am

If you don't know, it probably doesn't apply to you. Which carrier do you use your iPhone on. This is only if you want to use your phone on a different carrier to the one it's locked too.

j3p01 - January 28, 2009 at 1:27am

how to jailbreak my brand new 16g, 3g iphone if my iphone version 2.2.1 (5H11)?and i dnt see any firware 1.2.2.2.1_5H11.ipsw, and also can i downgrande this version 2.2.1(5H11) of my iphone or not? need help??? please!! and im using window XP

goom - January 28, 2009 at 2:15am

u can't yet jailbreak the FW 2.2.1 Do u guys REALLY READ the article ?? +_+

Victor - January 28, 2009 at 2:37am

I guess not...... ¬_______¬

Confucious - January 28, 2009 at 3:28am

If you have FW 2.21 then you have BB 2.30.03 - you can't downgrade the BaseBand so cannot use YellowSn0w. A jailbrake should be released soon.

luiskakaroto - January 27, 2009 at 6:34pm

But i still don't get it, it says the 3G will not work if it's updated and that the 2G has remained untouched for 8 months; does this mean that i can upgrade my 2G to 2.2.1 and it will be ok? Will Quickpwn (the last version) work on this update? Sorry if the answer is obvious...

marco Avellino - January 27, 2009 at 8:06pm

on the dev team website is looks like iphone 2g's that have been unlocked before can do this update, but can't be guaranteed a jailbreak, but the unlock will remain. Still haven't done this - awaiting further instructions - iphone 2g

iClarified - January 28, 2009 at 12:47am

@marco, the 2G iPhone will always be unlockable if it can be jailbroken. The 2.2.1 doesn't prevent jailbreaking but you will have to wait for a new version of PwnageTool or QuickPwn before updating. The iPhone 3G on the other hand is not currently unlockable with 2.2.1 even if jailbroken.

goom - January 28, 2009 at 2:14am

No, no, no and NO. that's it.

Confucious - January 28, 2009 at 3:26am

Watch the video on the Dev Team's blog. You can upgrade your FW on the Touch but the jailbrake is not available yet. They are working on it.