My M12 headphone not connecting

[Jibin12]

While pulg in the c type headset calling voice not hear by headset its only hear by speaker 

Any solution for that..

[HardlyHuman]

Make sure your headset is working and if it is working then try changing audio output to headset from speaker

[cs-member13]

Dear Samsung Member,

Greetings from Samsung Customer Support!

We acknowledge your query and apologize for the same. Please perform the below mentioned steps to resolve the issue:

* Open Samsung member app > Get Help > Interactive check > Choose the phone hardware you want to check and optimize performance(eg. ports).

For further assistance, register your concern in Samsung Members Application (Open Samsung Members Application > Get help > Send Feedback > Error report/Ask questions).

Thank you for writing to Samsung.

Warm Regards,
Samsung Customer Support