The reason why wired headphones do not respond when plugged in

Device compatibility issue: Some headphones may not be compatible with specific models or brands of devices, causing them to not function properly. ‌

Headphone or device malfunction: There may be issues with the headphones themselves, such as damaged plugs or short circuits in the wiring; The headphone jack of the device may also have issues, such as dust or impurities inside the jack. ‌

System issue: The software on the device may experience abnormalities or malfunctions, causing the headphones to not function properly. ‌

Method to solve the problem of unresponsive wired earphones when plugged in

Check headphones and devices:

Confirm whether the headphone plug is intact, without bending, breaking or damage. ‌

Check the headphone jack of the device and clean the dust or impurities inside the jack with a cotton swab or a spray can.

Attempt to restart the device:

Restart the device, clear the cache, and see if the connection can be restored.

Replace headphones or devices:

If you suspect a problem with the headphones or device, try replacing them with other headphones or devices for testing. ‌

Self repair headphones:

If it is determined to be a headphone problem, it can be repaired by oneself, such as checking whether the speaker circuit is short circuited and using an electric soldering iron to repair it. ‌

If the above methods still cannot solve the problem, it is recommended to contact professional maintenance personnel for further inspection and repair.