Finally a tethered for Jailbreak 4.3 iOS is now possible. Apple iOS 4.3 is publicly available for iPhone4, iPhone3Gs , iPod touch 3G/4G, iPad and Apple TV 2G. Jailbreak (tethered) for iOS 4.3 is done by PwnageTool Bundles using Custom Firmware. This procedure involves creating custom firmware and loading it on the device. We have a guide on how to jailbreak iOS 4.3 with PwnageTool, read after the break. [Update 1: Please use the updated guide: Jailbreak 4.3 iOS using Sn0wbreeze on Windows] http://www.newsden.net/wp-content/uploads/2011/03/ios-4-3-pwned.jpg So you still want to continue? Lets see the requirements. Requirements: Apple iOS 4.3 Direct Download iOS 4.3 Links iphone4 iPhone 3GS iPad 2 WiFi iPad 2 GSM iPad 2 CDMA iPad iPod touch 3G iPod touch 4G Apple TV 4.2 (8F191m) PwnageTool 4.2 for Mac PwnageTool Bundles Direct Download Links Bundle for iPhone 4 iOS 4.3 Bundle for OLD Bootrom iPhone 3GS iOS 4.3 - Untethered Bundle for NEW Bootrom iPhone 3GS iOS 4.3 Bundle for iPad iOS 4.3 Bundle for iPod Touch 4G iOS 4.3 Ramdisk Fixer 1.6 iTunes 10.2 How to Jailbreak iOS 4.3 with PwnageTool Bundles Please note again that this guide is only for advanced users, if you end up bricking up your device, we will not be responsible. Step 1: Create a folder iOS 4.3 on your Desktop and Download PwnageTool 4.2, PwnageTool Bundles and IPSW (iOS 4.3) firmware file. http://www.newsden.net/wp-content/uploads/2011/03/step-1.jpg Step 2: Double click on PwnageTool 4.2 and then drag and drop PwnageTool in your Applications. ( see the screen-shot below) http://www.newsden.net/wp-content/uploads/2011/03/step-2.jpg Step 3: Go to Applications and then right click on PwnageTool, select Show Package Contents. http://www.newsden.net/wp-content/uploads/2011/03/step-3.jpg Step 4: Now navigate to Contents/Resources/FirmwareBundles/ and Copy Paste the PwnageTool Bundles file (we have used iPhone 4: iPhone3,1_4.3_8F190.bundle). http://www.newsden.net/wp-content/uploads/2011/03/step-4.jpg Create Custom Ramdisk for Custom iOS 4.3 Firmware Step 5: Download Ramdisk fixer and run it. http://www.newsden.net/wp-content/uploads/2011/03/step-5-a.jpg Follow the onscreen setup and Continue. http://www.newsden.net/wp-content/uploads/2011/03/step-5-d.jpg It will show a license agreement, click Accept and Continue. http://www.newsden.net/wp-content/uploads/2011/03/step-5-f.jpg Ramdisk fixer will be successfully installed. http://www.newsden.net/wp-content/uploads/2011/03/step-5-g.jpg Build iOS 4.3 Custom Firmware with PwnageTool 4.2 Step 6: Run PwnageTool, select Expert mode and choose your device and click on Next Arrow button. http://www.newsden.net/wp-content/uploads/2011/03/step-6-a.jpg Step 7: Browse and select iOS 4.3 IPSW file as shown in the screenshot http://www.newsden.net/wp-content/uploads/2011/03/step-6-b.jpg http://www.newsden.net/wp-content/uploads/2011/03/step-6-c.jpg Step 8: Select Build and click on Next Arrow. http://www.newsden.net/wp-content/uploads/2011/03/step-6-e.jpg Step 9: PwnageTool will ask for the location to save the Custom Firmware File. Select the location and click on Save http://www.newsden.net/wp-content/uploads/2011/03/step-6-f.jpg Step 10: PwnageTool will now create the custom .IPSW file. Wait for the process to finish. http://www.newsden.net/wp-content/uploads/2011/03/step-6-g.jpg Step 11: Connect your device with Mac and follow the onscreen instructions to put your Device in DFU mode http://www.newsden.net/wp-content/uploads/2011/03/step-6-h.jpg http://www.newsden.net/wp-content/uploads/2011/03/step-6-i.jpg http://www.newsden.net/wp-content/uploads/2011/03/step-6-j.jpg http://www.newsden.net/wp-content/uploads/2011/03/step-6-k.jpg Step 12: After you have successfully entered in DFU Mode, start iTunes. It will detect your device in recovery mode. http://www.newsden.net/wp-content/uploads/2011/03/step-7-a.jpg We need to restore it manually by holding left Alt (option) button on Mac and click on Restore in iTunes. http://www.newsden.net/wp-content/uploads/2011/03/step-7-b.jpg This will open file browser to select the iOS file. Select the Custom IPSW file created by PwnageTool and click on Open Sit back and wait, iTunes will install the firmware. Do not plug out or shutdown your Mac. Your iOS device screen at this point will be showing a progress bar indicating installation progress. After the installation is done, your iOS device will be jailbroken on iOS 4.3. Tethered Boot iOS 4.3 Currently there is no untethered Jailbreak available for iOS 4.3. You need to boot your device in tethered using tetheredboot utility. Step 13: First you need to create a Folder on Desktop/iOS 4.3/tetheredboot and make a copy of Custom IPSW file there. http://www.newsden.net/wp-content/uploads/2011/03/step-8a.jpg Step 14: Now change the extension of Custom IPSW file from .ipsw to .zip. http://www.newsden.net/wp-content/uploads/2011/03/step-8b.jpg Step 15: Double click .zip file to extract the firmware file in iPhone3,1_4.3_8F190_Custom_Restore folder. http://www.newsden.net/wp-content/uploads/2011/03/step-8c.jpg http://www.newsden.net/wp-content/uploads/2011/03/step-8d.jpg http://www.newsden.net/wp-content/uploads/2011/03/step-8e.jpg Step 16 We need to copy two files in tetheredboot folder from just extracted Custom Firmware Folder. Navigate to iPhone3,1_4.3_8F190_Custom_Restore, Copy kernelcache.release.n90 and Paste it in tetheredboot folder. Step 17: Navigate to iPhone3,1_4.3_8F190_Custom_Restore/Firmware/dfu/ and Copy iBSS.n90ap.RELEASE.dfu and Paste it in tetheredboot folder. Also download tetheredboot.zip and extract it in the tetheredboot folder. The tetheredboot folder will look something like this now (screenshot below) http://www.newsden.net/wp-content/uploads/2011/03/step-8f.jpg Step 18 Power off your device, but keep it connected with the Mac. Start Terminal on your Mac and run the following commands http://www.newsden.net/wp-content/uploads/2011/03/step-8g.jpg * Hold Power and Home buttons for 10 seconds * Now release the Power button but continue holding the Home button for 10 more seconds * You device should now be in DFU mode Wait for your device to boot, Terminal will show Exiting libpois0n. After a short while, your iPhone, iPad or iPod touch will be booted in a jailbroken tethered mode ! Remember if you power off or restart your device again, you will have to do the whole jailbreak process from Step 1. So becareful and do not restart your device without any reason. Enjoy iOS 4.3 Jailbreak!