memory upgrade!

Andrei was playing his favorite psp game when his toy hangs up. He tried to restore it but it if fails to go back on its original form. He is keep on complaining about it until his Papa check the gadget. Aris found out the memory has corrupted and no files can be open anymore. He text his office mate who have experience the same before. He was advice to reformat and upgrade the memory to avoid such incident.