Kindly verify the below mentioned patch is available in your device:
A305FDDU4BTB3
In case if this is not matching we would request you to please follow the below mentioned path to update the software
Click on settings> Click on software update> Click on download and install> Check software update> Software update available (if any available) > Click on Download > Downloading updates > Click on Install now.
We request you to please follow the below mentioned path and share the same with us so that we can investigate further and give you the best possible solution.
For further assistance, register your concern in Samsung Members Application (Open Samsung Members Application > send feedback > error report/ask questions).
