Hi uzvilo,
Thanks for posting in Apple Support Communities! Since the option is not appearing as it should on your iPhone, try restarting it. Restarting can fix many issues:
"How to restart your iPhone X, 11, 12, 13, or later
- Press and hold either volume button and the side button until the power-off slider appears.

2. Drag the slider, then wait 30 seconds for your device to turn off. If your device is frozen or unresponsive, force restart your device.
3. 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.
How to restart your iPhone 6, 7, 8, or SE (2nd or 3rd generation)
- Press and hold the side button until the power-off slider appears.

2. Drag the slider, then wait 30 seconds for your device to turn off. If your device is frozen or unresponsive, force restart your device.
3. To turn your device back on, press and hold the side button until you see the Apple logo."
-Restart your iPhone
Should the behavior continue after restarting, ensure your paired iPhone is updated to the latest version.
Update your iPhone or iPad
You may also need to reset your AirPods to refresh things: How to reset your AirPods and AirPods Pro.
Hope that helps!