Re: how to set external sd card as default storage on iRULU 7 in tablet
On your Android tablet or phone, tap the app drawer icon from the home screen.
From the displayed list, tap on the My files icon.
From the opened window, on the top right corner, tap the icon with four horizontal lines.
From the displayed menu, tap the Settings option.
On the opened Settings window, under Select directories on the left, tap the Set home directory option.
From the window that appears next, tap to select the desired folder or the entire external SD card where you want the files to be downloaded by default.
Tap the Done button from the top right corner of the window when you are done.