Doing uninstall is very easy, but some apps will create orphaned files and folder, these file created even after you uninstalled the apps, as know there is no inbuilt option in android to find and delete all waste file and folder, but using a app you can do this easily.
“SD Maid” is device cleaning app, it has many tools to manage application and files, this app find and delete files formerly belonging to uninstalled apps., if you do manually it will take time and energy, so use this app for free and its available in google play store.
Feature
Remove superfluous files from your system.
Manage all installed user and system apps.
Detect files formerly belonging to uninstalled apps.
Search for files by name, content or date.
Obtain a detailed overview of your devices storage.
Optimize databases by "vacuuming" them.
Cache cleaning
Detect duplicate pictures, music or documents
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