Need help with updating firmware

[romavolkov]

Hi, my firmware is 3.90 m33-3, I have no idea what to do next to get the latest vervion, i tried to update it from my psp, like you know that updater in psp to the far left, i think its network update or software, i dont know, please give me detailed info on what to do next to get latest firmware

[shivadow]

Look for 5.00M33 and follow the instructions that come with it.

[dothackjhe]

After getting into 5.00 M33-# custom firmware, you'd want to patch it with 5.00 Prometheus 4 patch to enable your PSP to play recent games that require a firmware of 6.20 or higher.