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Thread: Downgrading from 4.0.2 to 4.0.1
10-16-2010, 06:10 AM #1Downgrading from 4.0.2 to 4.0.1
Hello my fellow iPhone users.
I am very new to all of this, and I would much appreciate your help.
I have the 4.0.2 software and would like to downgrade to 4.0.1 as I want to jailbreak my phone.
Is it recommend to do so and could it effect my iPhones performance? And will it effect my iphone, if I want to upgrading iPhone software in the future?
More importantly what is the easiest and safest way to do so?
Please help me out.
I understand if this is a repetitive question but I could not find an answer in any of the forums.
Thanks in advance
The Following User Says Thank You to Paratrooperunit For This Useful Post:
10-16-2010, 11:51 AM #2
You can only downgrade if you have 4.0.1 shsh blogs.
The Following User Says Thank You to iYeow For This Useful Post:
10-16-2010, 08:48 PM #3
What is 4.0.1 shsh blogs?
And how do I obtain it?
10-16-2010, 09:13 PM #4
Download Tiny Umbrella
What is your device ?
Plug your iphone in
Run Tiny umbrella
Chech Adv Tab
Device /Version : select your device 4.0.1 shsh
Request : Cydia
Click Save shsh
Wait ... Tell me what your answer is.
Last edited by iYeow; 10-16-2010 at 09:13 PM. Reason: Automerged Doublepost
10-17-2010, 11:33 AM #5
i too am in the similar situation... when i run TinyUmbrella I have 4.1 (88117) installed... what do I need to do to proceed? Wait for an update? Or downgrade?
10-17-2010, 06:39 PM #6
None of you need to downgrade to jailbreak. Just jailbreak where you are with limera1n.We're all just toymakers in the game of life.
The Following User Says Thank You to dhamien For This Useful Post:
10-18-2010, 12:45 AM #7
limera1n jailbreaks 4.02 so there should be no need to downgrade.
10-18-2010, 03:13 PM #8
well could you guys tell me why it does not work for me i have 4.0.2 on my iphone and i wanted it to be jailbroken so i tried limera1n and greenpoison and i even took it to the shop and they say its not out yet to do they say the phones bootrom is to new or something i have been without my phone for almost a month now and im mad as hell cause i thought this new software was going to do the job but im still without my phone i do know to try never let your phone crash on you
10-18-2010, 03:20 PM #9u
if u have fiemware 05.14.02 4get about it.. u can JB but not unlock
10-18-2010, 03:28 PM #10
We're all just toymakers in the game of life.
10-18-2010, 06:16 PM #11
dhamien you know your stuff i just tried myself again and i got my 3gs to jailbreak for me with limera1n with 4.0.2 on it and i got it on t-mobile now and im very happy as hell, so now i need two more things and thats how to configure my text messaging with t-mobile configurations and how to put istallus on my phone for apps
10-18-2010, 06:21 PM #12
No pirating on this website, one more word about piracy , you will be banned by the moderators. Buy your apps , don't steal.
10-21-2010, 06:22 PM #13
Hey guys. Sorry for the late reply.
So all i have to do is download Limeera1n and that should jailbreak my phone?
The only way I know how to jailbreak is by going onto the website jailbreakme and then 'soide to jailbreak' but it does not work and there is a message which states my phone software is to new and I can't do so.
Once again I am very new to all this so If someone can tell me exactly what to do, step by step, it would be great!
10-21-2010, 06:55 PM #14
How do u get to limera1n?
10-21-2010, 09:33 PM #15
10-22-2010, 06:23 AM #16
10-22-2010, 12:45 PM #17
But what is DFU mode and will it negatively effect my iphone preformance?
and what is lemera1n?
i thought to jailbreak the phone you have to go onto the website 'jailbreame' and then through that just download cydia.
10-22-2010, 01:12 PM #18
10-22-2010, 01:20 PM #19
will it do the same thing as jailbreakme does?
and also jailbreakme is more popular so should i not wait till it is able to jailbreak version 4.0.2?
10-22-2010, 01:29 PM #20
Jailbreakme will only jailbreak at 4.0 and 4.0.1.
Limera1n will hactivate and jailbreak 4.0.2 .
Remember , you cannot apply jailbreak onto an already jailbroken iphone. You need a restore first before you apply this jailbreak.
Last edited by iYeow; 10-22-2010 at 01:29 PM. Reason: Automerged Doublepost