Chronic Dev-Team Releases Greenpois0n Jailbreak for iOS 4.1 [Update x2]

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Posted October 12, 2010 at 9:35am by Shalom Levytam

The Chronic Dev-Team has released Greenpois0n, their utility for jailbreaking the iPhone, iPad, and iPod touch on iOS 4.1.

After much controversy, the tool has been updated to use the bootrom exploit found by Geohot.

Unfortunately, only a Windows version is currently available; however, a mac version and ipt2g support are coming soon.

You can download Greenpois0n from here.

Tutorials:
● How to Jailbreak Your iPhone 3GS, iPhone 4 Using Greenpois0n (Windows)
● How to Jailbreak Your iPod Touch 3G, 4G Using Greenpois0n (Windows)
● How to Jailbreak Your iPad Using Greenpois0n (Windows)

Update:
From the many comments and our own experience, Greenpois0n does not seem to be installing Cydia at the moment. You may want to hold off until this is fixed.

Update:
RC3 seems to fix the issue for us.

Chronic Dev-Team Releases Greenpois0n Jailbreak for iOS 4.1 [Update x2]

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rye - October 16, 2010 at 5:45pm

guys, just a question only, is there any unlock now for iphone 4 4.1 baseband 2.10.04? guys pls help me out..thanks

john - October 15, 2010 at 9:35pm

Really stuck now, when i try loader again it says Cydia already installed but i cant open white Cydia icon :( ... please help.

Monsieur - October 15, 2010 at 2:16am

Hi,I've installed it and the jailbreak went just fine,but the unlock link seems not really working with my 3GS 4.1. Really need help here!!

ElSrLocust - October 14, 2010 at 11:45am

3GS / iOS 4.1 / 5.14.02 Tried limera1n...=....cydia would not load past 3%. Tried Greenpoison...=...cydia would load but it took forever and icon was white and would only blink..WOULD NOT OPEN. so I did a "shift click" restore to 4.1 and cleared off the phone. (it was given to me updated and cleared so no biggie here) I did the restore, loaded a wifi signal, then with a fresh install loaded greenpoison. Phone came back up and loaded cydia in about 10 seconds and now the phone is rocking along JB'en. Just waiting for somebody smarter than me to crack the 5.14.02 band and this phone will be solid. You guys are bad A and I appreciate the hard work. Vote for FREE iPhones and Pay these guys instead!

ElSrLocust - October 14, 2010 at 11:40am

Hey Comex / Geohot / & last but not least Chronic-Dev. You guys are friggin awesome. As I said before....Comex...Much deserved Donation for blasting the JB for my brand new i4 a few months ago........Geo...got donation the same for the crack job on my girls i4/4.1. You guys make it fun and keep us up and running. See next post for vital info that could help somebody with 3GS/4.1/5.14.02

ggm - October 13, 2010 at 10:04pm

iPhone 4 fw4.0.1 restored to 4.1 with tiny umbrella worked. Neither greenpois0n or limera1n is able to jailbreak it right now. Already tried a dozen times!! Anybody??

ahmad - October 13, 2010 at 11:50am

i need to unlock my 3gs its 4.1 and 15-14-02 anyone can help

Kotico - October 13, 2010 at 3:54pm

You might want to check https://www.iclarified.com/entry/index.php?enid=12170 ;)

Raphael - October 13, 2010 at 9:47am

@ Majeed : I got the same problem and it was my cable, I was probably use the ipod nano one or the old 3GS one.

TEAM DIVISION - November 18, 2010 at 3:52pm

Please do not upgrade to iOS version 4.2. If you upgrade to iOS 4.2 and you are running Line2 in the background, the ringer will continue to ring even after an incoming call is answered. This affects Line2 as well as all other VoIP and social calling apps. (Note: If you do not use Line2 your Toktumi service will not be effected.) Apple Developer Support is aware of this issue and has designated its status as 'severe'. However, as of the most recent iOS beta (GMSeed build), this issue is still not resolved. We apologize for this inconvenience and will update you as soon as we get more information from Apple. Line2 will continue to work as normal with your current operating system. We strongly encourage you not to install iOS 4.2 until Apple fixes the upgrade issue. We will send out an email update as soon as it is safe to upgrade.

Steve - October 12, 2010 at 11:06pm

Hi My phone is also having the same config, 4.1 8B117 and modem firm-ware 05-14-02. The jail break worked just fine with green-pois0n but after i clicked on loader and installed cydia, at the end Cydia gave an error message and came out, now i see after re-boot of the phone cydia is a white icon and it wont open. I am unable to unlock the phone. Any suggestions will be much appreciated. Will be waiting for the reply. Really stuck now, when i try loader again it says Cydia already installed but i cant open Cydia :( ... please help.

J - October 12, 2010 at 10:19pm

iPhone 4 iOS 4.1 used Tiny Umbrella to preserve 01.59.00 baseband greepois0n rc3 on linux says it worked, but no loader or cydia icon on reboot Any help would be much appreciated, I don't have a windows pc to try anything else.

J - October 13, 2010 at 12:05pm

Just a followup, tried with greenpois0n rc3 on windows and failed, but limera1n worked fine first try.

luisdk - October 12, 2010 at 9:27pm

JailBreak working 100% on Iphone 3GS 4.1 (8B117) , Baseband 05.14.02, so... Well done! O.S.:XP M.C.E. Salutes

Majeed - October 12, 2010 at 8:58pm

I have an Iphone 3gs New bootloader MC .. on ios 4.1 I folowed all the steps and everytime say jailbreak failed !!! don't know what I did wrong ? please help

Raphael - October 13, 2010 at 7:28am

I got the same problem and it was my cable. Once we used another cable it worked.

arocho883 - October 12, 2010 at 4:52pm

PLEASE HELP upgraded to 4.1 on iphone 4 with old base band for the unlock cant seem to jailbreak it with limera1n or greenpois0n it loads up fine but no icons on phone what am i doing wrong PLEASE HELP

Gus - October 12, 2010 at 8:29pm

Make sure iTunes is running when you do the JB with Limera1n

luisdk - October 12, 2010 at 9:31pm

Dont panic!, please install Itunes 10 , and after repeat again, if not works, try with a system with Windows 7, looks that routine was made for that system, it works,,,, Itunes 10.0 its important because I noticed the program uses a delay between both proccess... Enjoy!

David - October 12, 2010 at 10:41pm

Thanks will try

Raphael - October 12, 2010 at 3:58pm

I did it and it work great for me, no bug so far

iphone4 - October 12, 2010 at 2:31pm

Hi .. i was wondering .. i have a factory unlocked iphone 4 with 4.0.1 for the moment jailbroken and i am happy .. do i have to l keep the baseband as it is now or just upgrade it normally with itunes to 4.1 then JB it .. cause everyone is talking here about keeping the baseband to keep the unlocking ,,, ok what about others who don't need the unlock ?

Cheba - October 12, 2010 at 2:44pm

You can update if you have unlocked iPhone and then JB.

Pyro - October 12, 2010 at 12:43pm

I am a little confused, if this doesn't preserve the base band and doesn't unlock, why bother with Greenpois0n over Limera1n?

santos - October 12, 2010 at 12:36pm

I jail broke the iphone but after i used loader to install cydia, i got an error message that there are too many files and i need to delete some files, but i see that the phone has 14.1GB free space, then Cydia does not open at all. There is nothing else i can do stuck :(

dfmac - October 12, 2010 at 12:31pm

anyone tried iPad and iPhone 4 on Parallels? Win XP ? Pls help

Zane - October 12, 2010 at 10:38pm

Yeah installed and worked fine with parallels.

Cheba - October 12, 2010 at 9:57am

Is it possible to jailbreak iPhone 3Gs iOS 4.0.2 I'm trying with greenpois0n and it's always giving me Jailbreak Failed :( Any idea? Tnx Dev-Team

Nettwerk - October 12, 2010 at 10:00am

Looks you have an iPhone 3GS with new Bootloader. Try Limera1n. I hope this will help you.

Cheba - October 12, 2010 at 10:15am

No Limera1n isn't working form me it won't open/start. I posted video with my problem on youtube http://www.youtube.com/watch?v=TC-9pW3Elg8

Nettwerk - October 12, 2010 at 10:21am

Try reinstall iPhone firmware from DFU Mode. Than do jailbreak. Looks problem with some permissions.

Cheba - October 12, 2010 at 10:42am

I'd love to do that, but I have a problem because I don't have SHSH blobs for 4.0.2 version on saurik's server. I got the phone form repair and they replaced it with new one... :S Is there any other way to restor it on 4.0.2 because I need to keep my baseband for unlocking? Tnx for help and advice

Nettwerk - October 12, 2010 at 10:58am

Follow these instructions: https://iClarified.com/12136

Cheba - October 12, 2010 at 11:02am

But will it work on 3Gs? These instructions are for iPhone 4. Tnx

Nettwerk - October 12, 2010 at 11:04am

Sorry my fault, no not workong for 3GS. It works only iPhone 4.

Cheba - October 12, 2010 at 11:41am

Ok no problem, tnx for help.

Pwned - October 12, 2010 at 12:29pm

dude chill the out, to JAILBREAK the Iphone 3G use pwnage tool, check in the news on this website and you will see tuts for mac and windows. Limera1n and Greenposi0n is only for 3GS, 4 unless you cannot read.

amer - October 12, 2010 at 4:46pm

it is fore 4.1 onle

alfy - October 12, 2010 at 9:54am

does anyone know if it works for the iPhone 3g??

Nettwerk - October 12, 2010 at 10:59am

No not working for iPhone 3G

alfy - October 12, 2010 at 6:23pm

Wat does work to jb iPhone 3G??

Zy - October 13, 2010 at 10:14am

to jailbreak 3g use redsnow.. U can find the tutorial in this site under tutorial section..

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