Firmware

Definition of "firmware" is refers to the system software of a hardware device. meaning, PSP firmware is the PlayStation Portable's embedded system software. PSP Firmware can be updated via software provided by Sony, but cannot changed by the user. Updated PSP firmware is sometimes included on UMD game discs; it can also be downloaded from the PlayStation website, or retrieved directly by the PSP using the "Network Update" function.The PSP's firmware can be updated by visiting the PlayStation website.