Hello. I’m Mehad , Samsung Moderator
Thank you for asking the question
We wish you a happy day
Based on your inquiry regarding the update
Check if the phone has dropped or exposed to water
Try another Wi-Fi connection
Tap Refresh Wi-Fi version
If you are still facing the same issue we recommend that you perform a factory data reset to resolve this issue using the steps below:-
Launch the Settings app and tap General management → Reset → Factory data reset →
RESET → DELETE ALL.
Ensure all user data is backed up using smart switch
from the link below and then use the backup tool to create a data backup
If you’re still facing the same issue, kindly take the device to the service center to check on it.
you can follow the link below to find the nearest one :
If you have any other question, can you explain it to us
We are at your service always