The earbuds and mobile phone have been connected, but the sound of music, video, calls and other sounds are still played out from phone. It may be that the "Media Audio" option is disabled.
Solution: After the earbuds is connected to the phone, open "Settings" >> "Bluetooth", search for "Redmi Buds 4 Lite" and enable "Media Audio". Then refer to the following steps for processing.
①On the Bluetooth setting page of the mobile phone, disconnect the Bluetooth and connect the Bluetooth again to restore.
②Turn off the Bluetooth on the mobile phone and turn on the Bluetooth again. After the earbuds and the mobile phone are automatically reconnected, they can be restored.
③ Put both earbuds into the charging case and take both earbuds out, click the function key for 5 times and put the earbuds into the charging case, re-pair the Bluetooth, and it can be restored.