Register/Login to Access All Forums
Donate needs donations to stay online!
Love Then help keep it alive by sending a donation!
counter create hit
Find & share all links to good tutorials in this forum.
These are instructions on how to jailbreak your iPhone 3GS and iPhone 4 using Greenpois0n for Windows. Greenpois0n supports the iOS 4.1 and iOS 4.2.1 firmware. Use Limera1n if you want to jailbreak iOS 4.0, iOS 4.0.1, iOS 4.0.2.

Remember: Do not update to iOS 4.2.1 if you need the unlock. Ultrasn0w does not support that baseband yet. The only exception is the iPhone 4. You can update to iOS 4.2.1 without upgrading your baseband by following this tutorial.

Step One

Open your web browser of choice and navigate to Click the Windows link at the bottom of the screen.

Step Two

When prompted save the download to your desktop

Step Three

Double click the downloaded file then drag the greenpois0n.exe file to the desktop. Double greenpois0n.exe from the desktop to launch the application
Step Four

Power off your iPhone then click the large Prepare to Jailbreak (DFU) button
Step Five

You will now be instructed on how to place your iPhone into DFU mode. You can get help with this here.
You will be asked to press and hold the sleep button for 2 seconds.
Continue holding sleep; press and hold home for 10 seconds.
Release sleep button; continue holding home for 15 seconds.
Step Six

Once your iPhone is successfully in DFU mode you may click the Jailbreak button.
Step Seven

Greenpois0n will now jailbreak your device
Step Eight

Click the Quit button once the software application has completed
You'll notice some verbose mode text scrolling on your device.
Step Nine

After the iPhone restarts you'll notice a new Loader application on your Springboard. Press to launch it.
Step Ten

Press to select Cydia then press the large Install Cydia button that appears.
Image Image
Step Eleven

Once Cydia has installed successfully you can remove Loader by pressing the Options button then the large red Remove button.
Step Twelve

Restart your iPhone then run Cydia. Let it do all the necessary updates then follow our Unlock tutorial if possible for your device.

any questions ?
By rainparvez
Thank you for the tips. But as you know the system is getting update rapidly and really if there i any way to jailbreak 5 or later than, please share.

Awaiting for your next touch.

Take care

thanks but i couldn't find the MBR Regenerator on […]