My AirPods will not show up as an option to connect to my phone.
What do I do if my AirPods are blinking a white light but will not show up as an option to Bluetooth connect to?
What iOS version is on your iPhone? See:
If your AirPods won't connect - Apple Support
If you have AirPods (3rd generation), you need an iPhone or iPod touch with iOS 15.1 or later.
If you have AirPods (2nd generation), you need an iPhone, iPad, or iPod touch with iOS 12.2 or later.
If you have AirPods (1st generation), you need an iPhone, iPad, or iPod touch with iOS 10 or later.