Can't hear notification sound from speaker

[Android Central Question]

The problem is that i can't hear Grab driver app notification alert sound from Note 8 phone speaker when wire headphone is connected!
Before the software update,grab driver notification alert sound can hear from phone speaker while the wire ear piece is inserted!I try resetting and hard reset the phone,check volume and all sound setting ,plus clear app cache ...But the problem still persists!
Now i only can solved it by installing (headphone toggle apk)