PBP File Documentation

Overview

Feature Value
Format Name PSP Firmware Update File
File Extension .pbp
MIME Type application/x-psp-game
Usage Installing or updating PSP firmware
File Structure Header, Data
Encryption Yes, for content protection
Compression Yes, to reduce file size
Header Size Variable
Compatibility PSP (PlayStation Portable) systems
Can Store Firmware data, Update instructions
Creation Tools Official Sony software, Third-party tools
Distribution Method Online downloads, Physical UMDs
Data Sections Header, SFO (Param.sfo), ICON0.PNG, ICON1.PMF, PIC1.PNG, SND0.AT3, DATA.PSP, DATA.PSAR
Icon Representation Yes, ICON0.PNG for menu display
Animated Icon Support Yes, through ICON1.PMF
Background Image Yes, PIC1.PNG for background display
Sound File Yes, SND0.AT3 for audio playback
Main Executable DATA.PSP
Update File DATA.PSAR
File Signature Present at file start, for validation
Authorization Required from Sony for official firmware updates