Problem with back and recent app sensor

[meet]

From some days i face a prblm with my back button and recent app buttom
they are not responding sometimes.

[meet]

okiee thnkss

[13Anmol]

You can have a temporary recent apps and back key button.
Go to settings > dexterity and interaction > assistant menu > enable it.

[admin_]

Thank you for your query. The relevant department may serve you better/speedily, if you can provide logs/video by registering this feedback in Error Section (Samsung Members App -> Feedback -> Questions/Errors -> Create -> Error reports).