Updating flash on psp
To stop warnings from Microsoft Update, uncheck the KB923789 update, and click ok.It should then give you the option to 'Never display this update' or something similar.If your PSP firmware version is below 5.03 you need to update it to firmware 5.03 first. Your PSP memory stick will appear in your computer. Assuming that your PSP is on Firmware 5.03, now is the time to load chick HEN R2. Copy file from Chick HENR2 folder to the root of your PSP.
If you have wifi at your house all you have to do is go to System Update on your PSP home screen. If there is an update available then your PSP will start to download it.We encourage you to check this page from time to time for system software updates and to always maintain your system to use the latest version of the system software.