Frequent log in after update

Very likely you have failed to implement some recommended security feature that you have not discussed. Perhaps it's two-factor authentication. Perhaps it's a sufficiently strong passcode. You're being urged to reconsider this. Go to Settings and address the specific issue.

cynthiafromtucson wrote:

I keep getting constant requests to Update Apple ID...

Please tell us the exact wording of these requests, exactly what you're doing when you receive them, etc.