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[How to] Jailbreak iOS 4.0.1 on iPhone 4, 3GS New Bootrom with JailbreakMe 2.0 Star

02 Aug, 2010 by
iPhone

The iPhone Dev team developer, Comex has just released JailbreakMe 2.0 (Star) tool to jailbreak iPhone 4, iPhone 3G and iPhone 3GS (including new bootrom) running iOS 4/4.0.1 firmwares. Though, one must note that this does not work with iOS 4.1 Beta release. JailbreakMe 2.0 is a userland jailbreak, similar to Spirit, which means you run it right in your iOS Safari browser and it will jailbreak the device. How simple is that?!

Just follow these step-by-step instructions in order to jailbreak your iPhone 4, iPhone 3GS or iPhone 3G device. One thing which is important to note here is that this jailbreak tool doesn’t hacktivate your device. You will need an original supported SIM card to activate your phone with iTunes. (Update: If you do not have original SIM, follow this video guide from RP to activate without original SIM)

Guide to Jailbreak iOS 4.0.1 on iPhone 3,3G,3GS Using JailbreakMe 2.0 (Star)

1. Backup all your data on the device using iTunes.


2. Update your iPhone 4, 3GS or iPhone 3G on the latest iOS 4.0.1 firmware with iTunes. Download iOS 4.0.1 here.

3. Open Safari on your iPhone 4, 3GS or 3G and navigate to http://jailbreakme.com

4. “Slide to Jailbreak” to begin the jailbreak process.

jailbreakme-iphone-4-3gs

5. JailbreakMe will download some files it requires for jailbreaking.

jailbreakme
6. Once the download is completed, it will automatically start the jailbreak process. Wait for it to complete

jailbreakme-iphone

7. Once the jailbreaking completes, you will be greeting with a message saying “Cydia has been added to the home screen”

jailbreakme-cydia
Voila! You now have jailbroken your iPhone on the latest firmware!

How to Unlock iPhone 4/3G/3GS on any baseband

Follow this simple step-by-step tutorial to unlock your iPhone using UltraSn0w 0.93 so that you can use it with any carrier you like. It is supported on all basebands upto 05.13.04.

Update 1: If JailbreakMe.com doesn’t work for you then you can try out this alternative link: http://jailbreakme.modmyi.com/

Update 2: If you are looking for the guide to Jailbreak iPod Touch 3G/2G using JailbreakMe 2.0 Star, click here.

Update 3: Fix for Facetime and MMS issue on iPhone 4 after JailbreakMe Jailbreak

Update 4: If you are looking to jailbreak iPad using JailbreakMe 2.0 Star, here is the guide.

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Raju is the founder-editor of Technically Personal. A proud geek and an Internet freak, who is also a social networking enthusiast. You can follow him on Facebook and on Twitter. Mail Raju PP.
  • http://www.xitestudiomagazine.com/ Roberto Xite Studio

    Hi!
    I have a question for you. I’ve an iphone 3gs jailbroken with 3.1.3. Do i have to update it with iTunes and then reJailbreak? Or is there any other procedure that i have to fallow?

    THX!!!

    • http://techpp.com Raju

      You would need to backup your data first and then “restore” your iPhone 3GS by updating it to iOS 4.0.1. Then follow the above steps to jailbreak. The key is backing up of data

  • John

    There a tv-out app for the iphone4?

  • Cruise

    FINALLY been waitingg for thiss, thank you so much for this new jailbreak, i have an iphone 3gs 32GB NEW BOOT ROM, and it finally worked, i didn’t wanna try any other jailbreak, but i took the patience and waited for thiss :D , THANKK YOUUU SOOOO MUUCHHH YOU GUYS ARE THE BEST :D

  • Prasad

    if I don’t have the official SIM and upgraded my phone, then how to start the phone and use safari (in order to jailbreak and unlock) ?

  • Blumpkin

    Does this jailbreak apply to iPad as well?

    • http://techpp.com Raju

      Yes! and we have a guide for that too

  • Yonghee

    Does this work for iPhone 4

    • http://techpp.com Raju

      Yes!!

  • Bash

    thanks for the jailbreak, but mine asked to reboot device which i said yes then just gets stuck on ‘black screen & apple logo ‘ as if its booting up but gets stuck on there now for 20mins??? can u help???

  • Bash

    its an iphone 4 on Vodafone UK

  • Josina

    hi, I was do exactly the same so many times but my IP (3GS-4.0-new bootrom) just went back to home screen. You have any suggest?

    • http://techpp.com Raju

      clear the cache and try again

  • dolex

    I have a question for you,mine already jailbreak but unfortunately still unable to install free software or games(those that i don’t want to buy).The massage says like this”unknown error occur (0xE8008001).

  • leia

    hi i have a iphone 3g with iso 4, will this work?

    • http://techpp.com Raju

      Yup!

      • leia

        what bout if it’s iso 4.0.2?

        • http://techpp.com Raju

          iOS 4.0.2 is not supported yet

  • Kate

    Excellent, this was definitely worth waiting for – Thank you!!

  • Swideswipe101

    can u make one to jailbreak 4.0.2?

    • http://techpp.com Raju

      not yet available for 4.0.2

  • yaya

    will this unlock so i can use a tmobile sim?

    • http://techpp.com Raju

      this is only for jailbreaking. Once you jailbreak, you need to unlock the phone (look at the end of the article for links) and you are ready to use any SIM including t-mobile’s

  • James

    Just a little confused, I have an iphone 3gs, but when I put it back in restore mode, how am I suppose to get access to safari to follow your guide of jailbreaking the iphone? I am just curious. Thanks

    • mark

      did you ever get an answer i wodner the same

  • brad

    i have a Iphone 3g and i cannot connect to any wireless networks is there anything that i could do so that i can fix this problem. thanks

  • edd

    is there an ios4 for 2g iphone?

  • louay

    I have iPhone 3G and I did jailbreak after that when I try 2 sync with iTunes I get error 0xe8008001 and I have iso 4.1 … what should I do … plzzz can u help me :( ((

  • jolly

    I have iphone 4 I would like to download hindi tv channels on it . please do let me how should i go about it

  • ClOnes1rock

    Need jailbroken iPod touch 5.00.01

  • ClOnes1rock

    Hey I want to jailbreak my iPod touch 5.00.01 will u help me

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