How to enable Touch ID to secure your iPhone and iPad: Tutorial 

Using a Touch ID to unlock your Apple devices such as iPhone, iPad or apps is the most convenient way than entering passwords every time you unlock your phone. Because it had to remember passwords so Apple’s Touch ID is the easiest way to unlock iPhone, authorize purchases and payments, and sign in to many third-party apps by pressing the Home button with your finger or thumb. 

So before we proceed lets first know what Touch ID is and how it works?

So Touch ID is basically a fingerprint identity sensor and Apple has named it  Touch ID which can be used for biometric authentication to unlock a device as well as apps. It is better than remembering a password to unlock your device. But if you tend to forget passwords then we would suggest you to use Touch ID instead. As already said you do not need to enter a password you can just unlock your device or app using your fingerprint because everyone has a unique fingerprint. However, it is a faster way to unlock your device but not as safe as a password. It can be used at your convenience but not for security purposes

Also, it gets automatically turned off in various situations such as if left unused for 48 hours in that case you are required to enter passcode or password to enable it again. Secondly, after you reboot or reset your device again you need to enter your password to enable it. Thirdly after five failed attempts in a row, if a remote lock has been sent via Find my iPhone or Find my Mac and when the user has not used passcode to unlock the device in six days. 

Here is Guide how you can enable Touch ID on iPhone or iPad

Before you set up Touch ID, you need to create a password for your device. To enable it, go to Touch ID and Passcode. Then turn password on, now enter a  six-digit passcode or else you can switch to a four-digit numeric code, a custom numeric code, or a custom alphanumeric code. Lastly, enter your passcode again to confirm it and activate it. Then follow these steps:

• Before setting up make sure that the Home button and your finger are clean and dry.
• Tap on Settings > Touch ID & Passcode, now enter your passcode.
• Then tap on Add a Fingerprint and hold your device as you normally would when touching the Home button.
• Don’t press just touch the Home button with your finger. Lift your finger when you feel a quick vibration, or until you’re asked to.
• Continue to lift and rest your finger slowly, making small adjustments to the position of your finger each time.
• The next screen asks you to adjust your grip. Hold your device as you normally would when unlocking it, and touch the Home button with the outer areas of your fingertip, instead of the centre portion that you scanned first. You can also try another finger if you have trouble enrolling one finger.

How to enable Touch ID to unlock your iPhone or make purchases

The touch ID can be used instead of a password to make purchases in the iTunes Store, App Store, and Apple Books. Follow the steps to know how to enable it:

• To turn on Touch ID for iTunes and App Store go to Settings > Touch ID & Passcode. If you can’t turn it on, you might need to sign in with your Apple ID in Settings > iTunes & App Store.
• Now open the apps iTunes Store, App Store, or Apple Books to buy something it will then ask you to use Touch ID.
• Touch the Home button lightly.

Similarly, Touch ID can be used to make Apple Pay purchases in stores within apps, and on websites in Safari. You can also use Touch ID on your iPhone to complete website purchases from your Mac. If you have an iPad Pro, iPad Air 2 or iPad Mini 3 or later, you can use Touch ID for Apple Pay purchases within apps and on websites in Safari.

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