This is by far the best jailbreak tool on earth to jailbreak iOS 9, iOS 9.0.2, iOS 9.1, iOS 9.2, iOS 9.2.1 as well as iOS 9.3. To begin iOS 9 jailbreak, you need to download Pangu Jailbreak Tool. Pangu Jailbreak makes iOS 9 jailbreak more stable with the latest released of iOS 9.1 jailbreak. You can use Pangu to perform a jailbreak via either a PC or Mac. This application is developed in China and anyone can download it for free. At the end of the jailbreak, the application will download Cydia to your jailbroken device automatically. It is the simplest and fastest jailbreak method for all iOS 9 devices such as iPhone 6/6 Plus, iPhone 6S/6S Plus, iPhone 5/5S/5C, iPhone 4S, iPad Pro, iPad Air, iPad mini, and iPod Touch.
How to Jailbreak iOS 9.1, 9.2.1 & 9.3
You may follow the step by step guide here to jailbreak iOS 9.0.2, 9.1, 9.2.1 and 9.3 using Pangu Jailbreak tool. If you are still running on iOS 8.4, you can follow the guide here to use TaiG Jailbreak.
Step 1: Backup your iDevice before you begin.
Step 2: Go to Pangu official website and download the jailbreak tool. Select either PC or Mac version. The latest PC version is 1.3.1 and Mac version is 1.1.1.
Step 3: On your iDevice, go to Settings > iCloud > Find My iPhone to disable Find My iPhone/iPad.
Step 4: Go to Settings > Touch ID & Passcode and disable Passcode.
Step 5: Enable Airplane mode and connect your iDevice to your PC or Mac via USB cable.
Step 6: Open Pangu and the program will detect your iDevice. Click Start > Already backup.
Step 7: Your iPhone/iPad/iPod Touch will be rebooted by Pangu. Put your iDevice into Airplane mode again once it is rebooted.
Step 8: During iOS 9 jailbreak, you will be notified to unlock your iDevice and give access to the Photo Library. All you need to do is click Accept and OK. Let the Jailbreak program do the rest of the job. Pangu will reboot your iDevice again once the jailbreak is done.
Last but not least, you can leave a message here if your Cydia won’t open or having problem after the jailbreak. The jailbreak community will reply your question as soon as they see it.