Lenovo A2107A - Manual (Page 22)

Font size: This option allows you to select the font size for text displayed on
the screen. You can set the font size to Small, Normal, Large or Huge.
Storage
This option allows you to view internal storage, SD card storage and USB
device storage.
Nominal capacity calculation
method:1GB=1,000MB=1,000,000KB=1,000,000,000 bytes
Operating system calculation
method:1GB=1,024MB=1,048,576KB=1,073,741,824 bytes
The system itself occupies some space; therefore, available space will be less
than that calculated.
Apps
With this option, you can easily manage and delete selected applications.