Historically, Capcom never ported the game to the PSP due to the console's hardware limitations compared to the GameCube or PS2. A standalone title, Resident Evil: Portable , was announced in 2009 but was eventually cancelled or evolved into Resident Evil: Revelations for the 3DS.
You can find "highly compressed" PS2 ISOs (around 800MB–1.2GB) that are compatible with AetherSX2 . resident evil 4 psp highly compressed better
: Be cautious when downloading "highly compressed" files from unofficial forums or social media, as these links can sometimes contain malware or misleading content. Historically, Capcom never ported the game to the