Here is a step by step guide for installing 3.10 OE-A. Please note that you must be running 1.50, 2.71 SE, 3.02 OE or 3.03 OE to begin this installation.
First grab the
3.10 OE-A files.
1. Copy oeupdmaker and oeupdmaker% to X:/PSP/GAME if you are in 1.50, or to X:/PSP/GAME150 if you are running 2.71 SE, 3.02 OE or 3.03 OE.
2. Now download the 1.50 and 3.10 updates which you can grab below:
1.50 Update
3.10 Update
3. Place these 2 updates in the oeupdmaker folder and ensure they are named exactly like this
150.PBP and
310.PBP. Now navigate to the game menu on your PSP and execute the update maker. It will take a few minutes to create the file, once finished a DATA.DXAR will be found in the oeupdmaker folder.
4. Copy 310oeflasher and 310oeflasher% to X:/PSP/GAME if you are in 1.50, or to X:/PSP/GAME150 if you are running 2.71 SE, 3.02 OE or 3.03 OE.
5. Copy the DATA.DXAR created in step 3 to the 310oeflasher folder.
6. Navigate to the game menu on your PSP, run the 3.10 OE-A flasher and follow the on screen instructions. Once done your PSP will now be running 3.10 OE-A