ITS RECOMMENDED THAT YOU INSTALL CUSTOM FIRMWARE INSTEAD SEE MY POST 3.40 oe custom firmware installation
To be installed in 1.5 f/w PSP
Things you need to download :
Devhook v0.52 File 1
3.03 UPDATE E.BOOT File 2
3.03 modified PSAR dumper File 3
PBP unpacker File 4 -> a software
TUTORIAL
1) Copy the files inside MS_ROOT (from file 1) to ms0:/. (the root of your psp)
2) Use the PBP Unpacker (file 4) on an untouched FW3.03 PBP (file 2) and extract the DATA.PSAR file.
3) Copy the DATA.PSAR file to ms0:/.
4) Copy the FW3.03 PSAR Dumper (File 3) into ms0:/PSP/GAME/.
5) Run the PSAR Dumper on your PSP and press “X” or the “Cross” button when prompted to.
6) It should automatically return to the XMB once it is done.
7) Run DevHook v0.52.
8)Select “Flash Install.”
9)Select “Setup firmware from PSAR dumper.”
10)Read the disclaimer, and press “O” or the “Circle” button if you agree with it.
11)Once it is done, go back to the main DevHook v0.52 screen.
12)Select “Firmware.”
13)Select “Firmware 3.03.”
14)Select “Start.”
15) Reboot (restart)the PSP.
16)Load DevHook v0.52 again and start FW3.03.
17)It should say that the setup information is corrupt (a freaky blue screen), just press “O” or “Circle.”
18) Reboot the PSP.
19)Load DevHook v0.52 again and start FW3.03.
20)You should now be able to apply your personal settings to your PSP!