Stay safe, play legally, and keep your custom firmware for the classics that actually work.
Before you click that shady “ISO Club” link, ask yourself: Psp Iso Club Gta 4
If you are looking for a genuine GTA 4 experience, this isn't it. However, if you are a PSP enthusiast looking for a nostalgic, "what-if" project Stay safe, play legally, and keep your custom
Custom cars, weapons, and environmental textures designed to look more like the 2008 HD release. this isn't it. However
If your query is actually about missions within the real GTA 4 (on PC/Console) that have names like "Going Deep," here are the specifics: