Upgrade your psp version from 5.00 m33 -3 to 5.00 m33-4

PSP homebrew developer Dark_AleX has released new psp firmware 5.00 m33-4.

what's new:

1. Speed selected for UMD/ISO was not properly locked in some new games that use scePower_EBD177D6 instead of scePowerSetClockFrequency to change speed.
2. UMD/ISO speed settings now apply to PSN games too.
3. Fix libupdown.prx connecting to dark_alex.org instead of sony when npsignin_plugin checks for a new version and m33 update is enable.
4. ISO file descriptor was not closed in driver deletion.
5. added a shutdown command to vshmenu.

how to Installing the version 5.00 m33-4:

• First grab the 5.00 m33-4 files and extract them.
• Copy the UPDATE folder contained in the archive to X:/PSP/GAME , where X is the letter of your memory stick drive.
  
• Navigate to the game menu on the psp and execute the 5.00 m33-4 program, then follow the on-screen instructions to update your firmware.
  
• You've successfully installed version 5.00 m33-4.

*Note: you must on version 5.00 m33-3 before install the version 5.00 m33-4.*