A downgrader for the 2.71 firmware will be released at 7:00 PM eastern time. This downgrader will set your PSP to firmware 1.50. The following is a step by step installation guide:
- Copy the folders downhelper and downhelper% from the folder 1.50 HELPER folder to /PSP/GAME/ in your memstick.
- Obtain the 1.50 update EBOOT and put it in /PSP/GAME/UPDATE in your memstick. You may find the 1.50 here.
- Initilize the downhelper program.
- It will dump your flash and some files from the updater eboot to the
memstick. (These files are illegal under US copyright laws, so please
do not distribute them in the comments or on our forums) - After that, the program will exit. You can now delete the updater from /PSP/GAME/UPDATE
- You’ll
notice that you have a new folder in the root of your memstick called
“DOWNDATER”. (See diagram on right for arrangement - click to enlarge) - That’s the folder you’ll have to send to a 2.71 owner to let him downgrade.