The Huawei C8815 smartphone comes with 4GB of internal storage, but not all of this space is available for user data - it also includes system files and other miscellaneous content. Android device storage is generally divided into the following partitions: Cache partition : Stores temporary files for Android system operations, typically less than 10MB in total System partition : Contains Android OS files modified during flashing Data partition : Stores installed apps and their data Internal storage (sdcard) : The "built-in storage" visible in file managers Carrier-customized devices like the C8815 also include a cust partition for carrier-specific modifications. The factory partition layout isn't always optimal. The C8815's default partitioning is: Cache :...