Ensure your Custom Firmware is fully activated. If the screen goes black, try restarting your PSP.
Downloading files from unverified MediaFire links carries inherent risks. To protect your computer and your console, follow these strict security practices: Minecraft Psp 5-3-1 Download Mediafire
If "Minecraft PSP 5-3-1" disappoints you, consider these alternatives: Ensure your Custom Firmware is fully activated