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Jailbreak 4.0.2 iPhone 4 3GS with JailbreakMe?

by EngineerHead on August 11, 2010

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The iOS 4.0.2 firmware update has arrived and it can be named as iPhone 4.0.2 Firmware for iPhone 4 3GS 3G. It has patched the JailbreakMe exploit as expected therefore it should not work no longer. Obviously, new iPhone 4 3GS will be shipped with iOS 4.0.2 firmware. Still there is now work around which will enable JailbreakMe to Jailbreak 4.0.2 Firmware.

Update 2: Limera1n Download is available to Jailbreak iPhone 4 4.1

Update 1: Jailbreak 4.0.2 will not be a Reality but you should upgrade iPhone 4 to 4.1 firmware as Greenpois0n will Jailbreak it on Sunday.

We have earlier analyzed the JailbreakMe 4.1 possibility and we found out that it looks like a new vulnerability has been found by comex. It is unclear though will it be a fix to make JailbreakMe work once again for Apple’s Fix or a new tool like Spirit Jailbreak 4.1 will emerge. Most probably, the next tool to jailbreak 4.0.2 or Jailbreak 4.1 will be out in next month when iOS 4.1 Beta moves to stable status.

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{ 167 comments… read them below or add one }

Phil B September 19, 2010 at 11:37

mate can you not just downgrade it using itunes i did that on my iphone 3

i used a firmware from the web that i wanted to go back to (like 3.0.2 for example)
then loaded phone into itunes went to backup option (when clicking backup hold shift) this will take you to a navigation menu navigate to the firmware you downloaded

Update the firmware ignore the 0012 – 0013 and 0015 error i think there the right codes not had to do it since i did the phone.

once backyp iscomplete
use blackra1n to put cydia on and jailbreak the phone if the phone does not unlock use cydia and download and run ultrasnow to unlock..

if your phone gets stuck in recovery or DFU mode run blackra1n and when phone goe4s to restart unplug (worked for me)

and now my phone after being updated to latest firm is now downfraded jailbroken and unlocked :)

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GRAZZE September 20, 2010 at 12:00

how many time we will wait for it!!!!
i think it will be impossible to jailbreak this version

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why September 20, 2010 at 16:20

why did i get 4.0.2 why !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

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mike September 21, 2010 at 09:44

you thing they will release a new way to jailbreak firmwair 4.0.2?

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techhelp September 21, 2010 at 21:18

iphone 4.0.2 can be downgraded to 4.0.1 and then unlocked. i did it already worked perfect.

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tej September 22, 2010 at 01:29

but u must be having the shsh filesaved in ur phone already. ryt?

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Amr Moharram September 22, 2010 at 01:42

Please send me exact steps how to downgrade version 4.0.2 (8A400) to 4.0.1 and if possible all steps to follow the process step by step.

Thank you.

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EmmZee September 22, 2010 at 09:00

hey techhelp, plz can u post how we can down grade iphone 4 4.0.2 to 4.0.1 ??!
step by step plz !

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iPhone4man September 22, 2010 at 23:55

plzzz tell me how u did it! i jus bought a new iPhone 4 and it is on 4.0.2 firmware and i want to downgrade it!!!

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engineerhead September 23, 2010 at 02:40

It can\’t be

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marsha October 2, 2010 at 06:22

iPhone4man,
did you get this to work, and how? I also have a new iPhone 4 that came with 4.0.2
Thanks,
Marsha

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porteam September 24, 2010 at 07:18

Hi techhelp,
You mean your iPhon is 4.0.1 then up to 4.0.2 and then down to 4.0.1? If that it worked.
But if original 4.0.2 not yet to downgrade.

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Mike September 27, 2010 at 14:34

how to did you downgrade it. as I am having problems. I got an error 1394

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andrew September 30, 2010 at 08:31

hey can u help me donwgrade mine so i can jailbreak it email me at astamez@aol.com

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Naoh September 22, 2010 at 00:22

haha, in cydia doesnt it say that it works through star?

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Tongsung September 22, 2010 at 06:43

Can’t beleave I’m doing this(upgrading)

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Mano September 23, 2010 at 03:09

Hey, techelp please can u post how I can downgrade my iphone’s software from 4.0.2 to 4.0.1 step by step. I will really appreciate it.

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Jmacattack September 23, 2010 at 16:26

I tried to dowgrade my ipod touch 2g from 4.0.2 to 4.0, but i keep getting ‘error 3195′ saying that the restore cant be completed. Help please.

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kris October 26, 2010 at 20:08

you need the bootlog to go with the restore its a downloadable content im not sure where

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Aurengzeb September 23, 2010 at 18:00

how can i unlock iphone 4 4.0.2

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that guy September 26, 2010 at 22:49

Yeah im kicking my self in the ass now because i was on 4.0.1 YESTERDAY and me not knowing anything about anything was like well i cant jailbreak it unless i have 3.1.2 or some crap, i learned from the little research i did, so i was like well shoot ill just reset the damn thing because when i got the phone in july I reset it and then plugged it into itunes and it asked me if i wanted to upgrade to 4.0.0 and i was like sure. so i thought it would do the same thing again. but it DIDNT i just upgraded me automaticly to the even higher version 4.0.2 and then now im looking at youtube and find out i coulda just gone to that jailbreakme site all along and done it and now im like one version off. and so now what we just have sit and wait a month until they figure it out again?? all i wanna do is jailbreak the phone not unlock it. and i know nothing

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Aditya September 26, 2010 at 23:06

guys cn u tel me hw can i unlock my iphone 4….versn z 4.0.2….??

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Larryboy October 17, 2010 at 04:13

there is no unlock for 4.0.2

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Cherokee October 3, 2010 at 06:42

Halloo. Wake up guys!!!! We are a lot who’s waiting for 4.0.2 jailbreak. Please do it faster about it, Mányoki thanx!!!!!!

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abs October 4, 2010 at 07:02

Its been month common already cant wait to see 5 icons taskbar :p

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Bob Jackson October 6, 2010 at 16:04

It’s easy to downgrade from 4.0.2 to 4.0.1:

Go to iTunes > preferences > OS d-grade > computer

Select 4.0.1 from the list; viola!

Enjoy, guys!

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ling October 7, 2010 at 02:28

im sorry but whr do i find the os d-grade thingy?

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guest October 7, 2010 at 12:12

He's full of shit

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murtada November 29, 2010 at 21:48

yeh where do we find the os d-grade!?

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Edward October 7, 2010 at 09:36

Really would be gratly appricieated run Windows 7 86x itunes 10.1

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iHatebob October 7, 2010 at 17:05

Stop wasting our times with ur lies. Plz.

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frustrated October 9, 2010 at 23:36

yes i cant find it (os d-grade) either!

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Guest October 24, 2010 at 09:43

HI, I don't have the option to downgrade. Checked all the tabs and there is nothing listed about downgrading in iTunes preferences!

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Jackshit October 8, 2010 at 18:50

This is crap where people telling and pissing other people problems off…

If u wanna help…. Tell da truth

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Corey October 9, 2010 at 03:00

4.0.2 SUCKS LIKE HECK!!!!!!!!!

CANT JAILBREAK

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vik October 9, 2010 at 03:29

This looks to me a Cat- Mouse game (apple-hackers)..lol

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Simon October 26, 2010 at 21:34

I have a iPhone 3GS 4.0.2 love to have it jailbreak what

Do I need to do

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Lateius Ballad October 28, 2010 at 04:47

update to 4.1 in itunes, download greenposin 4.1 jailbreak at http://www.greenposin.com, once downloaded it will tell u da rest

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Dipen November 24, 2010 at 07:05

but if we update to 4.1, it is going to update the baseband as well…..in that case we shall stuck……..and cannot unlock it……

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Jme October 27, 2010 at 16:52

Can you send the downgrade details to me I got 4.0.2 and want jailbreak

Thanks

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Ash October 30, 2010 at 03:43

is it out now?

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Skratch October 30, 2010 at 16:58

I’m bored with iPhone 4 without jailbreak. I have 4.0.2 version and I don’t have access 2 home computer is their a jailbreak or unlock for this??

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trevione November 2, 2010 at 01:59

i jailbreak my 4.0.2 2g haha loserzzzz

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john December 4, 2010 at 17:19

its not hard now is it stop getting happy

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iphone 4 December 26, 2010 at 18:58

ur havin a fuckin 2g loser

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Chris November 16, 2010 at 19:06

PLEASE send step by steps to downgrade details to me I got 4.0.2 and want jailbreak

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Corey Glynnell November 21, 2010 at 18:09

Is Apple gonna try to make jailbreakme for 4.0.2 work

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steve January 30, 2011 at 20:00

apple doesn't do the jailbreaks!!!!!

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Andrew Sena November 24, 2010 at 20:08

ios 4.0.2 can be jailbroken…. use limera1n…. http://www.limera1n.com

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mike December 1, 2010 at 23:45

hey everyone , i just picked up a brand new ipad and tried to jailbreak but it says that i can't and might need to down grade it . Any help here would be great..

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Alex December 6, 2010 at 17:48

i havent upgraded to the 4.o.2 i just want to make sure that there is a jailbreak for the new upgrade and i need step by step instructions

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Kashif December 7, 2010 at 06:46

PLEASE SEND ME EXACT STEPS HOW TO DOWNGRADE VERSION 4.0.2 (8A400) TO 4.0.1 AND IF POSSIBLE ALL STEPS TO FOLLOW THE PROCESS STEP BY STEP.

THANK YOU.

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Dan December 12, 2010 at 16:49

Hey guys, I just wanted to say that my iphone4 is running on 4.0.2 and I tried Limera1n just to see what would happen and its jailbroken. I can't really explain how and why its worked but I'd ask for you guys still running on 4.0.2 to give it a try and see if it works out. Please comment.

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Shina December 15, 2010 at 02:42

I have upgraded my iphone 4 to ios 4.0.2…..huuhuu so bad! Can you help me to downgrade coz i cant jailbreak… Help me tech….

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Eric December 17, 2010 at 14:04

techhelp please can u give me the steps u used in downgrading your iphine 4 version 402.

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Ra December 30, 2010 at 10:16

Techhelp, I want to jailbreak my Iphone 4. With 4.0.2

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shawn December 31, 2010 at 12:47

wat happens if u download nd it doesnt cut back on

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shawn December 31, 2010 at 12:52

umm yes my new ipod touch wnt turn on nd im worried dat it will not turn bak on nd i just got it

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Ayaz March 7, 2011 at 09:51

Jailbreak my iphone

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Bob April 9, 2011 at 18:39

I want it to be as easy as sliding then it jailbreak for me but I have 4.0.2 which won’t work on jailbreakme.com

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ash April 14, 2011 at 09:28

will cydia be installed if we jail break our iphone with limera1n?

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tommi d April 25, 2011 at 05:27

i have 4.0.2 and want my iphone 4 jailbroken how do i do it?

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shabbir April 26, 2011 at 04:56

Is it safe to unlock 1Phone 4 version 4.0.2?

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engineerhead April 26, 2011 at 09:07

4.0.2 can\’t be unlocked

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Beast June 10, 2011 at 02:26

This didn’t help one bit I want to jail brake it

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