Don't know. But I also noticed these things. This actually happens because of a weak internet connection, especially while we update our devices, and because of internet issues, sometimes downloading is used to stop. During the last update once downloading stopped and I tried to fix it and after completing all the processes I started getting these issues.
My experience with the Samsung is " They are offering really amazing features & stuffs than the all Android manufacturers or rivals but Samsung is only lacking in Battery management, Screen on time in single charge and unusual heating issues in all the devices.
If somehow these core things got fixed, Samsung will capture an even larger portion of Android.
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