That should not be the case at all, then. I am sorry about the problems you are encountering.
Then this might be connected to another plugin on your device. Please share the debug info on the Settings/Reboot menu. The first lines show you how much space is used, it should not be more than 40 percent.
Please also check the final lines of the installation sequence of the LMS to make sure there is no apparent errors.
The quickest solution would be to burn a fresh image. If you already implemented some configurations, you can make a back-up of your current image with our plugin image burner with a few clicks.
In order to find out exactly where the image went wrong, I would ideally need all the steps you have taken thus far. Since this would be a lot of work for you, a fresh image might the easier option. But I will assist you either way, just let me know how you will proceed.