If you’re like most iPhone 6 owners, you probably don’t use the Touch ID fingerprint scanner all that often. But if you ever need to use it, here’s how to do it. To activate Touch ID on your iPhone 6, first open the Settings app and tap on Passcode & Fingerprint. Next, scroll down and tap on Touch ID. Finally, enter your passcode and make sure that the option to Use Touch ID is enabled. ..
