Try downloading P0sixspwn and then follow these steps (sorry for long reply): Important steps before we proceed:
Please take a backup of your device using iTunes.
Please disable the passcode on your iOS device temporarily for the jailbreak process. (Settings > General > Passcode Lock – Turn Passcode Off). Don’t forget to enable it after you’ve successfully jailbroken your device.
Please uncheck Encrypt iPhone (iPad/iPod touch) Backup option in iTunes temporarily for the jailbreak process. Don’t forget to enable it after you’ve successfully jailbroken your device.
Step 1: Download the latest version of p0sixspwn jailbreak from this link and save it to your desktop.
Step 2: Double click the downloaded file and extract the application.
Windows users: Please note Windows users should extract p0sixspwn to your Desktop or C:\ drive prior to running. Do not run it directly from the zip. Please launch the application as an Administrator. Right Click on the evasion exe and select the “Run as Administrator” option.
Step 3: After launching p0sixspwn, it will prompt you to connect your iOS device.
Step 4: Connect your iOS device to the computer. p0sixspwn will mention that your device has been detected, and also show the iOS firmware version.
Step 5: Click on the Jailbreak button.
Step 6: After clicking on the Jailbreak button the tool will give a progress update on the various stages of the jailbreak process such as.
Connecting to device …
Getting payload files from Apple .. (If this fails, your internet connection has issues…)
Gathering information to generate jailbreak data…
Sending initial data … [You will see Restore in Progress on your iOS device]
Waiting to reboot. Do not unplug your device.
Waiting for device… [You will see this after the device has rebooted]
Remounting root…
Sending Cydia and untether payload to the device… [After sometime it will reboot the device]
Your device is now jailbroken, it now preparing to reboot automatically.
Step 7: After it has rebooted, you’re done. It has been successfully jailbroken and you should be able to find the Cydia icon on the home screen (it may not be on the first page so search for it to locate it).