As per your concern, we would request you to kindly perform the following steps to resolve your issue.
Clear app cache through Device care: Settings > Device care > Storage > CLEAN NOW.
Note: To delete files or uninstall apps that you do not use anymore, select a category under USER DATA. Then, tick items to select and tap DELETE or UNINSTALL.
The clear cache memory of a particular application: Settings > Apps > Now pick the app that you like to clear off the cache memory > Storage > Clear Cache. Note. Kindly contact the particular application helpline once, to make sure there is no issue from their end.
Update device software (If available): Settings > Software update > Download and install > Checking for software update > Software update available > Download > Downloading updates > Install now.
They started with Microsoft, slowly Exynos will take over all your phone untill you can obly make calls and recieve them. It actually is and proved samsung marketing strategy to knowingly degrade existing phone's software via updates and make customer forcefully buy new one to keep thier market position intact.
