How can I downgrade my iOS from 4.2 to 4.01?

Let’s learn how can I downgrade my iOS from 4.2 to 4.01. The most accurate or helpful solution is served by ChaCha.

There are ten answers to this question.

Best solution

How do you downgrade your iPod from IOS 4.0.2 to IOS 4.0.1?

Answer:

To downgrade iPod from IOS 4.0.2 to IOS 4.0.1 : Step 1: Download the required old ipsw firmware files...

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Other solutions

How to downgrade iOS 5.1 to ios 5.0.1 or ios 4.3.3 for untethered jailbreak?

Plz help me downgrade iOS 5.1 to ios 5.0.1 or ios 4.3.3 without shsh blobs

Answer:

You can downgrade iOS 5.1 to ios 5.0.1 or ios 4.3.3 just follow the link below: http://jailbreak-untethered...

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How can I downgrade my iOS device from 5.1 to 5.0.1 without SHSH Blobs?

I have bought a new iPhone 4 just recently and been bothered of the battery life. 1 full charge is only equivalent to 24hrs 47mins via BatteryDoctor with moderate usage (non-stop texting but minimum use of applications). I searched on the web about these...

Answer:

i would just keep on upgrade it. when you upgrade it they add more things you can do or are capable...

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How to downgrade iphone 4 to ios 5.0.1?

i made a mistake and i upgraded to ios 5.1 when the ipad 3 came out. now i cant jailbreak. is there a way to downgrade back to ios 5.0.1. i didnt back up my phone to itunes sadly. but my brother has the iphone 4 with ios 5.0.1. is there a way i can back...

Answer:

There is no way to downgrade to any firmware without having your SHSH blobs for that particular firmware...

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Is it possible to downgrade iOS 5.1 to iOS 5.0.1?

I know iOS 5.1 became available today and I downloaded it by accident. I need to downgrade to iOS 5.0.1 because there is no jailbreak for iOS 5.1 and I need to jailbreak my phone. Please help. :(

Answer:

Sorry, but there is no way to downgrade. You'll just have to wait for another jailbreak. A word of advice...

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How to downgrade iOS 5 to iOS 4.3.3? I have search alot but didn't find any workable solution.?

Recently I have purchase iPhone 3G S (used) with iOS 4.3.3 installed and having 6.15.0 baseband. The device was Jailbreak and UNLOCK with Ultrasnow. Device was working perfectly without any problem. 15 Days back I connect my device to iTUNES and it said...

Answer:

06.15.00 is the iPad baseband which there is no going back from.... Pretty sure I can take you through...

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Downgrade iphone 4 from ios 7.1 to ios 6.1.3?

I just upgraded my iphone 4 from ios 6 to the new ios 7.1 and I do not like it one bit. I want to know how to downgrade back to ios 6.1.3. Please help, I'm desparate to get ris of ...show more

Answer:

1. back up your files 2. Download the ipsw for your phone ( Cdma or gsm) make sure it's the ios 6 ipsw...

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How do i downgrade my iPod touch 4g ios 5.1 to 5.0.1?

I am currently running ios 5.1 and i want to downgrade to ios 5.0.1 or earlier. unfortunately i dont have any shsh blobs saved and i have not been able to find any advice online as to how to downgrade my ipod. i would really like to find a way to downgrade...

Answer:

Why would you wanna downgrade? Anyway all I know that it's very complicated and you have to edit factory...

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What's the easiest and most simple way to downgrade your ios iDevice?

I have an ios 5.1 iphone 4 and I want to downgrade to an ios 5.0.1 so I can have an untethered jailbreak instead of semi-tethered. I already have the ios 5.0.1 firmware but never got the SHSH blobs from my phone. Is it possible for me to get it from...

Answer:

No, its not possible People saying that its possible are fake and have no knowledge about iPhones. If...

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How can I downgrade iPad 2 from iOS 5 to iOS 4.3.3?

I saw that I could sign up for a developer account for free, and I figured hey why not, then I could update to iOS 5 and mess around with it, so I made the account and updated. After updating it mentioned my device had to be activated and it turned out...

Answer:

if you have backup before upgrade ..yes...use itune...to go back..

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