iPhone 13 doesn't respond to long touch, does respond to other touches

Hi Moxieman99,

Thanks for posting in Apple Support Communities.

It sounds like you may have Touch Accommodations enabled for a Hold Duration and also Tap Assistance. You can see whether you have these options enabled in Settings > Accessibility > Touch > Touch Accommodations. Scroll down to Hold Durations and Tap Assistance.

You can find these details and how they work in Use Touch Accommodations with your iPhone, iPad, iPod touch, or Apple Watch - Apple Support.

Regards.

Hi Moxieman99,

Looking at your description of when you're using the long press, we have some information to share.

We don't want to be pressing the screen when the iPhone is starting up or logging in, as this process needs to be completed first.

We see you viewed Change the wallpaper on your iPhone - Apple Support

Since this section "Change your wallpaper from the Lock Screen" shows that Face ID needs to be set up, this could be why this method is not working for you.

Instead try the steps in the first section:

Add a new wallpaper for your Lock Screen or Home Screen

1. In the Settings app, tap Wallpaper.

2. Tap Add New Wallpaper.

3. Tap Photos, People, or Photo Shuffle to choose your own photo. You can also select a wallpaper from a category like Weather & Astronomy, Emoji, Collections, or Color.

4. If you want, you can customize your wallpaper further. Then tap Add.

To verify if your display is working with a long press, try testing the steps on this page:

Organize the Home Screen and App Library on your iPhone - Apple Support

Let us know if you aren't able to do the long press, and we can move forward with next steps.

Cheers.

Hi Moxieman99,

It might be helpful for you to speak with Apple directly about this issue. Click the link below for additional assistance on this matter.

Contact - Official Apple Support

Kindest regards!