TaiGTaiG iOS 8.1.3-8.3 Untethered Jailbreak Tutorial
Compatible of all Apple devices running iOS 8.1.3-8.3(iPhone, iPad, iTouch, iPod etc.)

Download TaiG Jailbreak V2.1.2 version

Turn off passcode and Find My iPhone:

To turn off passcode,

go to Settings > Passcode > Enter your passcode > Turn Passcode Off > Enter your passcode.

To turn off Find My iPhone,

go to Settings > iCloud > Find My iPhone > Click to turn off.

Start to jailbreak. Open TaiG Jailbreak Tool, and have your device connected to your computer.