Hello boakaikan,
Spatial audio is a great feature of your iPhone and AirPods Pro. To confirm, is your iPhone running iOS 15.1 or later? If not, you'll want to update iOS as a step to resolving this issue. You can find the steps for updating in the following article.
Update your iPhone, iPad, or iPod touch
If you're running iOS 15.1 or later, you'll want to restart your iPhone. The steps for restarting are listed below and can be found in the following article.
- "Press and hold either volume button and the side button until the power-off slider appears.
- Drag the slider, then wait 30 seconds for your device to turn off. If your device is frozen or unresponsive, force restart your device.
- To turn your device back on, press and hold the side button (on the right side of your iPhone) until you see the Apple logo."
Restart your iPhone
We look forward to the results!