On the iPhone 11, why want my onn wireless ear buds won’t work
Why want my ear buds pair with my phone. They are onn.tws
iPhone 11, iOS 15
Fully charge the earbuds per the vendor’s instructions, and try again.
Unpair and re-pair, and try again.
Update the iPhone to current, and try again.
If re-pairing fails and the rest of the above, contact the earbud vendor.