Samaung A30 new navigation features suddenly stopped UI 2.0 bugs

[TorikulislamSagor]

New navigation features suddenly stopped and it's not work until I change new screen navigation features. 

navigation key help me please. 

[SnJana]

which phone?

[TorikulislamSagor]

Samsung A30

[SnJana]

dekho shayad update ayega

[Sidhabhi]

Bro,if you are using any launcher,then move back to default Samsung UI
or
perform normal phone reset settings
settings>general management>select reset>click on reset settings

[TorikulislamSagor]

bro I don't use other launcher

[Sidhabhi]

Then try performing normal phone reset settings