That's it, from now on instead of having to enter the Apple ID account code like before, you just need to put your finger on the Home button and wait for the identification device in 1-2 seconds as the application will automatically download.Really convenient, right? To see if we can use fingerprints to download apps on iPhone, you can go to the AppStore and select any application to download.When downloading the application, iPhone will now ask you to confirm using a fingerprint to continue the download process. When printing fingerprints, pay attention to moving your finger gently to identify the most accurate machine. Now, select the fingerprint according to the instructions of the machine. Next, enter your App Store account password and select OK. by swiping the bar from left to right of the screen. To be able to use fingerprint to download applications on iPhone, here you need to enable Touch ID for iTunes & App Store.
Search and select Touch ID item & password. On the iPhone phone, go to the Settings section. Instructions for using fingerprints to download applications on iPhone