good morning

[neyhew]

i got someone changinng things on my phone

[neyhew]

sending

[neyhew]

they got a null running

[RedDogRabbit]

"null" can mean that something is initialized, a place holder etc

Is your device running properly? 

[neyhew]

no

[RedDogRabbit]

Short answer:

Factory Reset or Visit a Samsung Service Centre to get it checked out by a tech. 

[neyhew]

i contacted support and they wanted to remotetly have access but i declined rather take it in

[Helenna]

Hi, I request you to please "Back up" the data and perform Factory reset on the device by using the below links and check.

https://www.samsung.com/ca/support/mobile-devices/how-to-transfer-and-backup-data-using-smart-switch.

Open settings>>General management>>Reset>>Factory reset.

If your phone is still having issue after performing a reset, please visit a Samsung authorized service center.

https://www.samsung.com/ca/support/service-center/

Please visit the link given above to know the nearest Samsung authorized service center.

[neyhew]

ok thsnk you