https://community.sony.ba/t5/portable-audio/sony-wf1000mx4/m-p/3927334#M13131 <P>hi, how are you? did you do repair service to this model of headphones ( wf1000mx4) left of earbuds just stop working it is not charging at charging box try to reset them on the way ho you show at sony.ie and it is noting change any way</P><P>thanks for help!</P> Wed, 25 Oct 2023 10:57:57 GMT grabarczykmarcel8 2023-10-25T10:57:57Z https://community.sony.ba/t5/portable-audio/sony-wf1000mx4/m-p/3927334#M13131 <P>hi, how are you? did you do repair service to this model of headphones ( wf1000mx4) left of earbuds just stop working it is not charging at charging box try to reset them on the way ho you show at sony.ie and it is noting change any way</P><P>thanks for help!</P> Wed, 25 Oct 2023 10:57:57 GMT https://community.sony.ba/t5/portable-audio/sony-wf1000mx4/m-p/3927334#M13131 grabarczykmarcel8 2023-10-25T10:57:57Z https://community.sony.ba/t5/portable-audio/sony-wf1000mx4/m-p/3928153#M13139 <P>hello @grabarczykmarcel8, have you tried the <A href="https://helpguide.sony.net/mdr/wf1000xm4/v1/en/contents/TP1000428697.html" target="_blank">initializing </A>steps as well? If so and the issue remains, you can send them to Sony's repair centre for inspection. When did you purchase them?&nbsp;</P> Wed, 01 Nov 2023 15:48:59 GMT https://community.sony.ba/t5/portable-audio/sony-wf1000mx4/m-p/3928153#M13139 Piscie 2023-11-01T15:48:59Z