Jailbreak iPhone 4 on iOS 4.1

1. My current iPhone 4 is now on 4.0.2 and its not Jailbroken yet.
2. Without a Jailbreak iPhone, its not much fun compared to my Jailbroken iPhone 3GS.
3. But yesterday, its to hear the news that it is now possible to Jailbreak iOS 4.1.
4. You can read more this article - "Confirmed ! iOS 4.1 Jailbreak Using Bootrom Exploit works on iPod touch 4G, iPhone 4 and Even iPad!"
5. But if you are on iPhone 3G, you can Jailbreak 4.1 using this Unofficial method --> How to Jailbreak iPhone 3G iOS 4.1 with PwnageTool for Mac [Unofficial].
6. And if you want to Jailbreak your iPhone 3GS (Old Bootrom) on iOS 4.1, you can use this guide --> How to Jailbreak iPhone 3GS on iOS 4.1 with PwnageTool [Guide]
7. If you want to safely upgrade your iPhone 4 without upgrading its baseband, use this method -- Here’s How You Can Update iPhone 4 on iOS 4.1 Without Upgrading 1.59.00 Baseband to 2.10.4
8. Unfortunately the Jailbreak that might be release by Dev Team is a "Tethered" Jailbreak, meaning, you need to connect to the computer every time you reboot the iPhone --> SHAtter Exploit will Jailbreak All Existing iOS Devices Forever !
9. TinyUmbrella have been updated to 4.1.4 with the benefit of saving your current baseband firmware and not updating to the latest firmware on iOS 4.1. This will ensure your baseband is ready for any unlock.
10. It seems there's a lot of hard work from the Chronic Dev team to release iPhone 4 iOS Jailbreak solution called Greenpois0n.

UPDATE:

Instead of GreenPois0n, the actual Jailbreak solution for iPhone 4 iOS 4.1 is Limera1n.
Here's how you can Jailbreak it --> Limera1n - Make It Ra1n..!

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iPhone and iPod Touch Compatibility With iOS 4.0

• iPhone 4: Full iOS 4.0 features
• iPhone 3GS: Full iOS 4.0 compatible except iPhone 4 specific features
• iPhone 3G: Partial iOS 4.0 support. Doesn’t support multitasking, wallpaper and Bluetooth keyboard.
• iPhone 2G: No iOS 4.0 support. (Custom Modded 3.1.3 with iOS 4 features available)
• iPod Touch 3G: Full iOS 4.0 support except for iPhone specific features
• iPod Touch 2G: Partial iOS 4.0 support. Doesn’t support multitasking, wallpaper and Bluetooth keyboard.
• iPod Touch 1G: No iOS 4.0 support.

Source: iOS 4 Update For iPhone 3GS, iPhone 3G, iPhone 2G and iPod touch 3G, 2G and 1G

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How To: Identify iOS 4 Compatible Cydia Apps

Most of you have tried to install Cydia apps and that you already knew, that some of the Cydia apps works with iPhone 4 and some may be not, if not, it may crash your device and lead to problems. So here's the official list of compatible Cydia apps from the iPhone Dev Team.

This list (found here) is helpful and useful for everyone owns an iPhone 4 or got iOS 4 on it's device,

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How To: Jailbreak iOS 4 and others

At last, Comex the main man behind the iPad Jailbreak scene has just released the Jailbreak for all iPhone devices out there. 


The anticipated iPhone 4 jailbreak has been released as JailbreakMe 2.0. The wait is finally over and iPhone 4 can be jailbroken on iOS 4.0 or iOS 4.0.1. JailbreakMe is actually all in one solution for iPhone 4 3G 3GS and iPod Touch 3G 2G along with iPad. Any iPhone on 4.0 or 4.0.1 iOS (actually works on firmware 3.1.2 and 3.1.3) can be jailbroken using JailbreakMe 2.0. Any iPod Touch 4.0 can be jailbroken untethered irrespective of MC Models while iPad 3.2.1 jailbreak is also possible.

Restore your iPhone 4 to iOS 4 and simply visit Jailbreakme.com it should directly jailbreak your device from your device :

Dev Team commented: There are currently some issues involving MMS and Facetime being disabled, and those are being worked on.  

For those needing a carrier unlock, use the existing ultrasn0w in Cydia on your iPhone3G or iPhone3GS.  After a short testing period, we’ll push out the iPhone4 version.

Step 1

GO to JailbreakMe.com

Step 2 Slide to Jailbreak

simply slide the “Slide to Unlock” style slider to jailbreak the device

You might see this message

Thats when the old famous saying comes in ” If at first you don’t succeed , Try again  “

Step 3

On trying a couple of time you should get a screen similar to this

Patience is the Key here

Step 4

Once done Cydia should be on your Home Screen . Enjoy !

IT WORKS THE SAME WAY ON ALL IPHONE DEVICES TILL NOW !


Now - I am ready to get my "4"...!!

If any of you guys faced some problems, see below:-

Q: Will there be a Windows or Mac Download
A: No. It is completely userland. It is all done from the iDevice through Safari

Q: I am stuck at a purple screen. Why isn't it working?
A: The server is backed up. Wait a minute and try again. Or get some sleep and try tomorrow.

Q: Where did my MMS and FaceTime go?
A: Restore from backup in itunes should fix it. Permissions issue that has been corrected for new downloaders.

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MyWi 3.x Crashed after iOS 4 Jailbreak

The main reason for my Jailbreak is to ensure I can get MyWi for my Internet Tethering needs.

However, after today's Jailbreak of the 3GS, I found out that my purchased/licensed MyWi is unable to be install properly.

I tried the other MyWi versions (No Rock) but keep getting the crash asked for a "Restart". Rebooting the iPhone doesn;t work since it still operate in "Safe Mode".

The only way to exit from the "Safe Mode" is to uninstall MyWi app.

Probably the current MyWi version is not compatible with iOS 4.0.

Just noticed this... Some of the apps are not compatible as yet..






Also, I happened to read this Forum post but its already too late... :-(

Click here --> iOS 4 and MyWi

From Rock Website: http://www.rockyourphone.com

Important Note: You need to have a jailbroken phone to install Rock Your Phone Applications. The information below will help guide you on getting Rock Your Phone onto your iPhone

---

Rock works best on the latest OS releases from Apple. If you have and iPhone or iPod Touch this means OS version 3.1.2 or 3.1.3 on the iPad the only OS is 3.2:

All users should use the newest jailbreak called Spirit which was released on May 2nd, 2010 to install RockApp on your iPhone/iPad/iPod Touch.

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Review - How to upgrade and Jailbreak a Blackra1n Jailbroken 3GS 3.1.2 to iOS 4.0

Finally, I have Jailbreak my iPhone 3.1.2 which was Jailbroken via Blackra1n to the latest Apple iOS 4.0 and Jailbreak with Pwnage Tool 4.0.1. You may click any of the articles below:

I followed closely this below articles:-

1 - How to Jailbreak Your iPhone 3GS Using PwnageTool (Mac) [4.0]

2 - Jailbreak and Unlock iPhone 3gS to iOS4 (also downgrade to lower firmwares) on Mac

3 - iTunes: Backing up, updating, and restoring your iPhone, iPad, or iPod touch software

4 - iOS4 jailbreak pwnagetool - cydia crash

I have to create the custom ipsw twice to get the Cydia working. The first one crashed because I have enabled and downloaded some sources during the Pwnage process.

(Note: Ensure to "uncheck" the "Activate iPhone" because mine is officially unlocked)

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iOS 4 ipsw Download Links

iOS 4 external download links

iPhone 4

iPhone 3GS

iPhone 3G

iPod Touch 3rd Gen

iPod Touch 2nd Gen

The update/installation guide can be found here.

Update 1: Ultrasn0w 0.93 has been released, which brings unlock for iOS 4 and all other basebands since iPhone 3.0. Details here.

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