There is a lag happens after I unlock the phone with fingerprint. Tried to remove it and add it again and tried restarting the phone but still the lag happens. What should I do?

I have a Galaxy A53 5g. When I bought a 25w super fast charging adapter from Samsung local store, one of the customer service staff tried it for me and it said on the phone "super fast charging". I took it home and it ran the updates and now after a ...