What should I do if the Redmi Buds 4 Lite cannot be paired or searched?

When searching for a Bluetooth earbuds on the mobile phone, the Bluetooth earbuds also needs to be paired.
①First of all, please make sure that the earbuds is fully charged (charge till the indicator of the case turns off).
Open the cover of the charging box, 5 click either earbud and place the earbuds in the case, the indicator light flashes continuously, and the earbuds will enter into pairing state. Please try to search for the earbuds "Redmi Buds 4 Lite" on your mobile phone to pair.
② Make sure the binding steps are correct. The earbuds is in the pairing state and waiting to be connected. If there is no connection for 1 minute, the earbuds will enter into sleep mode and the indicator will turn off.
④If none of the above work, please try to restore the earbuds to factory settings.
Reset steps: Take out the earbuds and click either earbuds for 5 times, put the earbuds into the charging case, the indicator light will flash. At this time, please try to pair again.
⑤ There may be more interference around, please move to another location and try. Due to the characteristics of earbuds, electromagnetic waves in your area may interfere with the Bluetooth connection, and may even be silent or disconnected after connection.