Apple pay & Face ID Issue

Where did you buy it? Did you buy it new or used? What model phone is it?

Check the warranty status here: https://idmsa.apple.com/IDMSWebAuth/signin.html?appIdKey=6ffd461b658f7972a60536ab99ab86365a77801c114fa496fd77c9198c6d2093&language=US-EN&iso-lang=prod&path=/

Take a look at this User Tip I created for a similar issue that should work in your case - Double-Click side button usage for Apple …

Double-Click side button usage for Apple Pay

This user tip has two parts. Part one is for the Double-Click side button settings in Wallet & Apple Pay. Part two is for turning off the Double-Click requirement when paying using Apple Pay. Part two has two methods with multiple paths in settings which I have explained and provided photos for. This information applies to iPhone X and later (any phone with Face ID)

Part one

What does the Double-Click side button setting do?

In Wallet & Apple Pay there is an option to turn on Double-Click side button or turn it off. If it is on you can pull up cards and passes before you get to the terminal. Turning off Double-Click side button will not allow you to get cards and passes ready early.

This feature is not related to the requirement of Double-Clicking to confirm your payment. (see part two below)

To verify what this does;

1. Turn it off.
2. Go to your Home Screen and attempt to double-click side button. You will notice that the device goes to sleep.
3. Turn it on.
4. Go to your Home Screen and double-click the side button. You will notice that Wallet app is now open and ready for payment.

Part two

Remove Double-Click to pay requirement

There are two methods to remove the double-click requirement. Method one is Assistive Touch and method two is Switch Control.

Method 1 - Assistive Touch

If you do not want to Double-Click to confirm payment:

1. Go to Settings
2. Tap Accessibility (photo 1)
3. Tap Touch (photo 2)
4. Tap Assistive Touch (photo 3)
5. Confirm with assistive touch - turn that on and follow the instructions (photo 4). You will now be able to pay with Apple Pay without double-clicking the side button.

or

You can also;

1. Go to Settings
2. Tap Accessibility
3. Tap Side Button
4. Tap "enable confirm with assistive touch" and follow the instructions on the screen (see "alternate path in settings" below)

[You may have to go to settings>Face ID & Passcode>Apple Pay - turn off for Face ID.]

Photo 1

Photo 2

Photo 3

Photo 4

Method 2 - Use Switch Control

1. Go to Settings
2. Tap Accessibility (photo 5)
3. Tap Switch control (photo 6)
4. Confirm with switch control (photo 7)- Turn this on and follow the instructions. {you may have to enable switch control also}

or

You can also;

1. Go to Settings
2. Tap Accessibility
3. Tap Side Button
4. Tap "enable confirm with switch control" - select this and follow the on screen instructions (see "alternate path in settings" below)

Photo 5

Photo 6

Photo 7

Alternate path in settings for method one and method two

1. Go to Settings
2. Tap Accessibility (photo 8)
3. Tap Side Button (photo 9)
4. Tap on your preferred method, follow the on screen instructions (photo 10).

Photo 8

Photo 9

Photo 10

Additional links

Apple Pay support - Apple Pay Customers

Accessibility support - Accessibility Support

Use accessibility - Use accessibility shortcuts on iPhone

About Apple Pay - About Apple Pay