Things you need: Download: 3.10 OE-A.rar Download: EBOOT_1.50.zip Download: PSP_310_UPDATE.RAR Step 1:
- Connect your PSP to USB
- Open 3.10 OE-A.rar
- Copy oeupdmaker% and oeupdmaker folders into:
X:\PSP\GAME150 if you have previous custom firmware (3.0X OE, 2.71 SE)
X:\PSP\GAME if you have 1.50 firmware on your PSP
(X is the letter of your PSP drive)
- Open EBOOT_1.50.zip and rename the (
EBOOT.PBP) to (
150.PBP)
- Open PSP_310_UPDATE.RAR and rename (
EBOOT.PBP) to (
310.PBP)
- Copy both (
150.PBP and 310.PBP) into oeupdmaker folder
- Turn on your PSP and go to Game -> Memory Stick
- Connect your AC adapter
- Press X on
3.10 OE-A Firmware update maker
- Follow the on-screen promts to make data.dxar file
Step 2:
- Reconnect your PSP to the USB
- Open 3.10 OE-A.rar once again
- This time, copy 310oeflasher% and 310oeflasher folders into:
X:\PSP\GAME150 if you have previous custom firmware (3.0X OE, 2.71 SE)
X:\PSP\GAME if you have 1.50 firmware on your PSP
- Go to oeupdmaker folder and copy (data.dxar) file to 310oeflasher folder
- So now you should have:
310oeflasher\data.dxar
- Turn on your PSP and go to Game -> Memory Stick
- You will see
3.10 OE-A firmware install
- Connect your AC adapter and make sure your battery is charged at least 75%.
- Press X and follow the on-screen promts to update to custom firmware
NOTE: Sorry that the screenshots are old, it should say 3.10 OE...