GoKawiilApple explains common fixes for AirPods that fail to connect to iPhone
Apple-focused troubleshooting guidance identifies drained batteries, dirty charging contacts, automatic device-switching between Apple devices, and outdated firmware as the main reasons AirPods fail to connect to an iPhone. The guidance recommends charging and cleaning the earbuds and case, checking iOS software updates, and verifying AirPods firmware version against Apple's published list to resolve the issue.