TechTickle

When jailbreaking final release of iOS 4.0 on iPhone 3GS with PwnageTool 4.01 on Mac or with sn0wbreeze 1.6.1 on Windows, your device should have old Bootrom, since the jailbreakers have not yet successfully jailbroken iOS 4 on iPhone 3GS with new Bootrom.

Also Read: iPhone 4 Successfully Jailbroken with Userland Jailbreak!

The developer of sn0wbreeze @iH8sn0w has come up with a simple tool that makes it really easy for the iPhone 3GS owners to find their Bootrom version, with simple steps. The developer of the application describes it in a few words below:

iDector is a real easy to use application to tell wheter or not your iPhone 3G[S] contains the New Bootrom or the Old bootrom. Simply place your 3GS into DFU mode and click the button.

How to Check Bootrom Version of iPhone 3GS with iDetector

1. Download iDetector for windows from the link at the end of the post.
2. Make sure you have iTunes installed on your system.
3. Connect iPhone 3GS to pc.
4. Place your iPhone 3GS in DFU mode using simple steps given below:
5. Run iDetector on your system and click “Is my Bootrom Old or New?” button on the application.
6. There you have it! iDetector will let you know whether your iPhone 3GS has New Bootrom or Old Bootrom.

If your iPhone 3GS has Old Bootrom, you can easily jailbreak your device using Custom firmware on windows with sn0wbreeze and on Mac with PwnageTool. After jailbreaking, you can use ultrasn0w 0.93 to unlock your device on any baseband! Make sure you read:

• iPhone 4 Successfully Jailbroken with Userland Jailbreak!
• iOS 4.0 Now Available for Download
• Jailbreak iOS 4 with redsn0w 0.9.5
• Unlock iOS 4 on Any Baseband with Ultrasn0w
• Pwnage Tool 4.01 to Jailbreak iOS 4 on Mac[Custom Firmware]
• Sn0wbreeze 1.6.1 to Jailbreak iOS 4 on Windows[Custom Firmware]

Download iDetector for Windows.

Mac users can check a little complex guide to check Bootrom version on Mac posted by Taimur on RedmondPie.

Suggested reading:

Sn0wbreeze 1.6.1 to Jailbreak iOS 4.0 on iPhone 3GS/3G on Windows

While there is redsn0w 0.9.5 to jailbreak iOS 4.0 on iPhone 3GS/3G and iPod Touch 2G for both Windows and Mac OSX, and the recently released PwnageTool 4.01 does the ...

READ MORE

PwnageTool 4.01 to Jailbreak iOS 4.0 on iPhone 3GS/3G & iPod Touch 2G

PwnageTool is yet another famous jailbreaking tool from iPhone Dev team, to jailbreak your device on Mac. Dev team has released PwnageTool 4.01 to jailbreak iOS 4 (iPhone OS 4) ...

READ MORE

Jailbreak iOS 4 on iPod Touch 2G & iPod Touch 3G with Sn0wbreeze 1.7

iH8sn0w, the developer of sn0wbreeze has pushed an update on the jailbreaking tool that lets you prepare custom firmware on windows(similar to PwnageTool on Mac) to jailbreak your device. Sn0wbreeze ...

READ MORE

How To Jailbreak iOS 4.0 on iPhone 3GS [New Bootrom]

iPhone 3GS was released with two types of Bootroms: Old bootrom and New bootrom. Recently we posted tutorials on jailbreaking iPhone 3GS with PwnageTool 4.01 on Mac and Sn0wbreeze 1.6.2 ...

READ MORE

Ultrasn0w 0.93 Released: Unlock iOS 4.0 iPhone 3G/3GS Baseband 05.13.04 to 04.26.04

Ultrasn0w 0.93 is finally been released by iPhone Dev team just an hour after the release of iOS 4. This is a huge news from the unlockers since, ultrasn0w 0.93 ...

READ MORE

Unlock iPhone 3G/3GS on iOS4 with Ultrasn0w

iPhone Dev team has pushed an update for ultrasn0w compatible with iOS4. Ultrasn0w 0.92.1 is available in Cydia and can unlock iPhone 3G/3GS baseband 04.26.08 on iOS4. No official release ...

READ MORE

PwnageTool 4.1 to Jailbreak All iOS 4.1 Devices using Custom Firmware Released

Hours before a major announcement from Apple, iPhone Dev-Team has released the much awaited iOS 4.1 jailbreak tool PwnageTool 4.1. Yesterday, Musclenerd teased us with a screenshot of PwnageTool 4.1 ...

READ MORE

New PwnageTool to Jailbreak iOS 4.1 Devices including iPad & Apple TV [Screenshot]

Few hours ago, Musclenerd of iPhone Dev-Team tweeted an image of the upcoming jailbreak tool PwnageTool 4.1 to jailbreak iOS 4.1 on all iDevices. The image suggests that new PwnageTool ...

READ MORE

Sn0wbreeze 1.6.1 to Jailbreak iOS 4.0 on iPhone

PwnageTool 4.01 to Jailbreak iOS 4.0 on iPhone

Jailbreak iOS 4 on iPod Touch 2G &

How To Jailbreak iOS 4.0 on iPhone 3GS

Ultrasn0w 0.93 Released: Unlock iOS 4.0 iPhone 3G/3GS

Unlock iPhone 3G/3GS on iOS4 with Ultrasn0w

PwnageTool 4.1 to Jailbreak All iOS 4.1 Devices

New PwnageTool to Jailbreak iOS 4.1 Devices including