How do you upgrade a psp to the latest firmware?
You can get an update for CFW 5.50 GEN D3 at psp-hacks.com. Before you update your CFW, here are the few reminders: 1. When updating, always plug the charger on your PSP to bypass battery check and prevent bricking your PSP; 2. Disable all plug-ins you have on your PSP (enabled plug-ins hinders the update process); 3. If you’re having trouble updating, backup all your important files in your memory stick and reformat it; 4. If after reformatting your memory stick still doesn’t allow you to update, boot your PSP to recovery setting and go to ‘advanced’ setting and format flash1 and reset settings (this will reset your PSP’s setting to factory setting); Enjoy CFW 5.50 GEN D3!