To play any Sims ISO (official or fan-modded), your PSP must have installed.
Any files labeled as a "Sims 4 PSP ISO" are likely (often based on The Sims 2 or The Sims 2: Pets for PSP) or potential malware . Authentic Sims Games on PSP Sims 4 Psp Iso
If your goal is simply to play The Sims 4 while lying on your bed or commuting (without a laptop), you have modern options that destroy the need for a PSP ISO. To play any Sims ISO (official or fan-modded),
Don’t waste time hunting for “Sims 4 PSP ISO.” It’s a phantom. Grab The Sims 2 PSP ISOs if you want the closest official Sims experience on PSP, or emulate The Sims 4 on a PC handheld or via streaming. Sims 4 Psp Iso