external sd - Suddenly most of the files and folders in my sd card are now named "FSCKxxxx.REN". How to fix this without root? - Android Enthusiasts Stack Exchange
To Root or Not to Root an Android Phone
ES File Explorer returns some SD card support to your KitKat device (root required) - Android Authority
ES File Explorer returns some SD card support to your KitKat device (root required) - Android Authority
Enable Android Apps to Write to External SD Card with Magisk
4.4 kitkat - How to move apps to external SD card on a non-rooted Android 4.4.2? - Android Enthusiasts Stack Exchange
How to Install Apps Onto Your SD Card (No Root) : 3 Steps - Instructables
How to Use SD Card as Internal Storage in Android (Easy Steps, No Root) - YouTube