The phone stopped recognise the headphones

[Zib79]

The charger working properly 

[xSteveuk]

Hi,
On the samsung members page
Click on the get help button
And run a diagnostic test

If you having issues
With galaxy buds
Try the link below

https://www.samsung.com/us/support/troubleshooting/TSG01111318/

[GalaxyA51user]

Try connecting other headphones, maybe the ones you are trying may be broken.