how to make my usb storage or sd card the default instal location My techno g9 device shows internal storage 0.99G Usb storage 12 G and Sd Card 27G. All installed apps go to the .99G which is full. So i cant dowload any new apps. Please how can i change the instal folder to the 12G usb storage or the 27G Sd card.
Settings 

Storage

Preferred installed location. Select SD card



In Storage you can also set the SD card to Primary Storage.



Try the steps an see if your device has the function.