How to connect AirPod to iphone

You did not offer much detail. So the best I can offer is this link with instructions on how to pair AirPods to an iPhone.

Connect your AirPods and AirPods Pro to your iPhone - Apple Support

Pairing AirPods to an iPhone:

A. Pairing this:

Go here: Connect your AirPods and AirPods Pro to your iPhone - Apple Support

B. Having Issues?:

Go Here: If your AirPods Won't Connect – Apple Support

C. Same Serial Number:

To work, they need to be of the same Serial Number.

"How to connect AirPod to iphone: connecting AirPod to iphone"

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Troubleshooting AirPods Connectivity:

A Few Thoughts to Try:

A. Visit Apple Support links:

• If your Left or Right AirPod isn't Working - Apple Support

• If your AirPods Won't Connect – Apple Support

• Connect and Use your AirPods and AirPods Pro – Apple Support

B. Verify the Balance:

1. Go to: Settings
2. Tap: General
3. Tap: Accessibility
4. Scroll Down: to Hearing
5. Adjust: the audio volume balance

C. Also, Clear Out Earwax:

How to Clean your AirPods and EarPods - Apple Support