Things You'll Need
Instructions
Turn on your Sony PSP and select "System Update" from the PSP main menu. This will bring into the system update wizard.
Select "Update Via Internet" and select your internet connection that will download the new system firmware.
Select "Download Update Data" and wait as the update file is downloaded. Press the "X" button to begin the update.
Wait as the firmware is updated. Press the "X" button once again to reboot the PSP. You will now have the latest codecs on your PSP.