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·Download these:
Easy TA-082 2.71 Downgrader
TA-082 Downgrader
1.50 EBOOT Update
2.71 HEN-D (Homebrew Enabler Rev. D)


PLEASE NOTE: YOU MUST HAVE YOUR PSP CHARGER IN AT ALL TIMES

1. Before you start, reformat your memory stick and reset
your default settings.

2.Create a USB connection between your PSP and computer.

3. Copy the UPDATE and idstoragechange folders into /PSP/GAME/

4. Get the official Sony 1.50 eboot and put it in the /PSP/GAME/UPDATE folder with the name of UPDATE.PBP

5. Run HEN-D if you are not already running it.

6. Execute the idstoragechange on the PSP. It needs 75% battery. It will change some keys of your idstorage needed to downgrade the TA-082 PSP.

7. The program will exit to the XMB. Now run the generic downgrade, which will show in the XMB as “Update X.YX” on the PSP.

8. The generic downgrader will also need 75% battery. IT will downgrade your PSP to 1.50.

9. At the end, it will ask you to press X to restart the PSP. Do it.

10. If all went fine, you’ll receive a blue screen telling you to press O. Do it, and re-enter your settings. Welcome to 1.50.

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