Some users and potential buyers of mobile devices iPhone and iPad do not know what is Touch id, what is it for and how to configure it. We explain. Touch ID is a sensor module built into the Home button that can scan (as well as read) your fingerprint, so the phone recognizes its owner and unlocks the screen to access the home screen.
Well, you understand, basically this fingerprint scanner button serves as protection for the iPhone or iPad, while replacing the password on the lock screen. You can also use your fingerprint to download applications from the App Store and purchase media content in the iTunes Store.
Not all iPhone and iPad
models have a Touch ID sensor built into the button. Starting with the iPhone 5s and above, Apple phones began to be equipped with a fingerprint sensor. The list of models without Touch ID below:
How to enable Touch ID fingerprint on iPhone
In order to put a fingerprint on your iPhone, which will be requested each time you unlock, you need to click on the Settings app:
By enabling Touch ID, you can unlock your iPhone or iPad using a fingerprint.
The screenshots above show the recognition screens of your fingerprint to enter the iPhone. But if you go into the Touch ID settings and turn on the iTunes Store and the App Store, then the fingerprint can be used instead of the Apple ID password when buying apps, music,s, etc. In the same settings, you can add fingerprints to those who are allowed to use your iPhone.