[Android Central Question]

I have formatted the sd card, switched setting to sd card yet it keeps using all the storage space on my device. I don't have a pc or a laptop. So im at a loss.

[hallux]

What kind of data are you trying to use it as default storage for? Apps will not install to the SD by default, and any that you were able to move there (which is only part of it anyway) will want to move back to internal storage when they update.

Just about the only thing you can set the SD as default storage for is the camera.

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[Rukbat]

Android is written to consider the SD card as storage external to the system, and defaults to the system as storage. (For a number of reasons, one of which is that some code just won't run from the SD card, another is that the eMMC storage - the internal storage - can take a lot more writing than an SD card can, so the SD card will last a lot longer if it's used as write-once-read-many - like pictures or music. And many camera apps can be set to use the SD card by default. [Since most of the music you'll have is downloaded, and since much downloading is of apps, downloading defaults to the system.])