After the new iOS 17.02 my AirPod pro gen 1 has stopped connecting on the right side is say power on and connected non stop but actually won’t connect to my iPhone 12 Pro before the update there were working fine on iOS 16 something.

Hello Lildou,

We would take the related steps here for a solution: If your left or right AirPod isn't working

If your left or right AirPod isn't working

Learn what to do if your left or right AirPod doesn't play audio.

If there's no sound in one AirPod

1. Make sure that your charging case is fully charged.

2. Place both AirPods in your charging case and let them charge for 30 seconds.

3. Open the charging case near your iPhone or iPad.

4. Check the charge status on your iPhone or iPad to make sure that each AirPod is charging .

5. Put both AirPods in your ears.

6. Play audio to test both AirPods.

7. If an AirPod still isn't working, reset your AirPods or contact Apple Support.

If there's low volume in one AirPod

If your left or right AirPod isn't playing any sound, or if the volume is too quiet, follow these steps:

1. Check the microphone and speaker mesh on each AirPod. 

2. If you see any debris, clean your AirPods using the guidelines in this article, and see if that fixes the issue.

3. Go to Settings > Accessibility > Audio/Visual > Balance, and make sure that the balance is set in the middle.

You can also isolate this issue further by testing them with another device: Set up AirPods with your Mac and other Bluetooth devices That would tell us if the issue is with the AirPods themselves or the device.

You can also check if they are running the latest firmware: About firmware updates for AirPods

Let us know how it goes.

Take care.