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How to Jailbreak the iPhone 3G 2.1 firmware with QuickPwn

Mobile device displaying data transfer progress.

If you've recently updated your Apple iPhone to firmware 2.1 and lost your jailbroken status, you've most likely heard that the Dev Team has released QuickPwn 2.1 for Windows users! Some of you have already jailbroken your iPhone 3G on 2.1 firmware when QuickPwn and Pwnage Tool for Mac was released.

Here's what you'll need to do to jailbreak your own 2.1 iPhone:

1. Download QuickPwn 2.1 for Windows.

2. Update to 2.1 firmware via iTunes.

3. Run QuickPwn 2.1 and follow the instructions. You'll need to know how to put the iPhone 3G into DFU mode.

4. Enjoy the jailbreak! Let the customization begin again!

For more information, or to get started jailbreaking your own Apple iPhone, watch this jailbreaking how-to.

Apple's iOS 26 and iPadOS 26 updates are packed with new features, and you can try them before almost everyone else. First, check our list of supported iPhone and iPad models, then follow our step-by-step guide to install the iOS/iPadOS 26 beta — no paid developer account required.

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