When performing a "full" eMMC read or write, the experience varies significantly based on your hardware interface:
EMMC (Embedded MultiMediaCard) is a type of storage device that is commonly used in portable electronics, such as smartphones, tablets, and laptops. It is a small, non-volatile memory card that stores data, including the operating system, applications, and user data. EMMC is designed to be a compact and efficient storage solution, making it an ideal choice for devices where space is limited. postal3 emmc full