How to set default memory storage to sd card on galaxy grand prime

Solution
Well if you are talking about making it "Internal" versus the standard "External" storage for say running apps on, etc., that is only possible if you are running at least "Marshmallow". If you can upgrade yours to that version of Android, then you may be able to set it up. However, if not, then it isn't. Well not without say rooting the device. You could free up some space by moving your photos, music, videos, etc over to the SD card. They do take up a lot of space. Also restarting the device regularly will help as well, as it clears out things that regularly build up.
Well if you are talking about making it "Internal" versus the standard "External" storage for say running apps on, etc., that is only possible if you are running at least "Marshmallow". If you can upgrade yours to that version of Android, then you may be able to set it up. However, if not, then it isn't. Well not without say rooting the device. You could free up some space by moving your photos, music, videos, etc over to the SD card. They do take up a lot of space. Also restarting the device regularly will help as well, as it clears out things that regularly build up.
 
Solution