The built-in LifeKeeper is a pre-installed system tool (bloatware) that can’t be uninstalled. You might try disabling it by going to the application manager and unchecking it there.
All of your Samsung Health data will be permanently deleted from the phone, as well as from Samsung Health and the Samsung Health server.
You can’t remove Samsung Free from your phone, but you may prevent it from showing up when you swipe right by shutting it down. Simply touch and hold a blank area of the screen and swipe right to the Samsung Free page. To disable Samsung Free, tap its switch.
Open the Settings app on your phone. Go to General and select Apps and Notifications. Select the undesirable application from the drop-down menu at the top of the page. Tap Uninstall to remove it.
First, press and hold on to the persistent notification on Android as quickly as possible. The notice grows. At the bottom of the screen, disable the switch next to Permanent to remove any permanent notification from the app.